To determine the time of the swimmer who came in third place, we first need to order the times from fastest (lowest time) to slowest (highest time).
Here are the times in order:
- 68.92 seconds (1st place)
- 69.15 seconds (2nd place)
- 72.3 seconds (3rd place)
- 73.2 seconds (4th place)
The time of the swimmer who came in third place is 72.3 seconds.