Finding the Third Proportional to 43,280 and 57,792

Step by Step Solution

1. Step 1: Write the proportion equation
   43,280 : 57,792 = 57,792 : x
2. Step 2: Convert to fraction form
   43,280/57,792 = 57,792/x
3. Step 3: Cross multiply
   43,280x = 57,792 × 57,792
4. Step 4: Simplify right side
   43,280x = 3,339,915,264
5. Step 5: Solve for x
   x = 3,339,915,264/43,280
6. Step 6: Final answer
   x = 77,169.95