Finding the Third Proportional to 82,972.50 and 124,542

Step by Step Solution

1. Step 1: Write the proportion equation
   82,972.50 : 124,542 = 124,542 : x
2. Step 2: Convert to fraction form
   82,972.50/124,542 = 124,542/x
3. Step 3: Cross multiply
   82,972.50x = 124,542 × 124,542
4. Step 4: Simplify right side
   82,972.50x = 15,510,709,764
5. Step 5: Solve for x
   x = 15,510,709,764/82,972.50
6. Step 6: Final answer
   x = 186,937.96