Finding the Third Proportional to 60,142.50 and 88,391.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,142.50 : 88,391.25 = 88,391.25 : x
2. Step 2: Convert to fraction form
   60,142.50/88,391.25 = 88,391.25/x
3. Step 3: Cross multiply
   60,142.50x = 88,391.25 × 88,391.25
4. Step 4: Simplify right side
   60,142.50x = 7,813,013,076.56
5. Step 5: Solve for x
   x = 7,813,013,076.56/60,142.50
6. Step 6: Final answer
   x = 129,908.35