Finding the Third Proportional to 62,737.50 and 89,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,737.50 : 89,434.50 = 89,434.50 : x
2. Step 2: Convert to fraction form
   62,737.50/89,434.50 = 89,434.50/x
3. Step 3: Cross multiply
   62,737.50x = 89,434.50 × 89,434.50
4. Step 4: Simplify right side
   62,737.50x = 7,998,529,790.25
5. Step 5: Solve for x
   x = 7,998,529,790.25/62,737.50
6. Step 6: Final answer
   x = 127,492.01