Finding the Third Proportional to 62,250 and 89,487

Step by Step Solution

1. Step 1: Write the proportion equation
   62,250 : 89,487 = 89,487 : x
2. Step 2: Convert to fraction form
   62,250/89,487 = 89,487/x
3. Step 3: Cross multiply
   62,250x = 89,487 × 89,487
4. Step 4: Simplify right side
   62,250x = 8,007,923,169
5. Step 5: Solve for x
   x = 8,007,923,169/62,250
6. Step 6: Final answer
   x = 128,641.34