Finding the Third Proportional to 60,500 and 88,636

Step by Step Solution

1. Step 1: Write the proportion equation
   60,500 : 88,636 = 88,636 : x
2. Step 2: Convert to fraction form
   60,500/88,636 = 88,636/x
3. Step 3: Cross multiply
   60,500x = 88,636 × 88,636
4. Step 4: Simplify right side
   60,500x = 7,856,340,496
5. Step 5: Solve for x
   x = 7,856,340,496/60,500
6. Step 6: Final answer
   x = 129,856.87