Finding the Third Proportional to 62,486 and 89,053

Step by Step Solution

1. Step 1: Write the proportion equation
   62,486 : 89,053 = 89,053 : x
2. Step 2: Convert to fraction form
   62,486/89,053 = 89,053/x
3. Step 3: Cross multiply
   62,486x = 89,053 × 89,053
4. Step 4: Simplify right side
   62,486x = 7,930,436,809
5. Step 5: Solve for x
   x = 7,930,436,809/62,486
6. Step 6: Final answer
   x = 126,915.42