The third in the series, the movie has now grossed roughly $261 million, surpassing "Hangover 2" for the highest-grossing film so far this year.
The comedy "Horrible Bosses" debuted at No. 2, taking in just over $28 million.
Kevin James' "Zookeeper" was third with $21 million.
The top 10 films of the weekend were:
1. "Transformers: Dark of the Moon," $47 million ($93 million
international).
2. "Horrible Bosses," $28.1 million.
3. "Zookeeper," $21 million ($7.5 million international).
4. "Cars 2," $15.2 million ($26.9 million international).
5. "Bad Teacher," $9 million.
6. "Larry Crowne," $6.3 million.
7. "Super 8," $4.8 million ($2.5 million international).
8. "Monte Carlo," $3.8 million.
9. "Green Lantern," $3.1 million.
10. "Mr. Popper's Penguins," $2.9 million.
