Finding the Third Proportional to 62,532 and 89,415

Step by Step Solution

1. Step 1: Write the proportion equation
   62,532 : 89,415 = 89,415 : x
2. Step 2: Convert to fraction form
   62,532/89,415 = 89,415/x
3. Step 3: Cross multiply
   62,532x = 89,415 × 89,415
4. Step 4: Simplify right side
   62,532x = 7,995,042,225
5. Step 5: Solve for x
   x = 7,995,042,225/62,532
6. Step 6: Final answer
   x = 127,855.21