Finding the Third Proportional to 60,680 and 90,552

Step by Step Solution

1. Step 1: Write the proportion equation
   60,680 : 90,552 = 90,552 : x
2. Step 2: Convert to fraction form
   60,680/90,552 = 90,552/x
3. Step 3: Cross multiply
   60,680x = 90,552 × 90,552
4. Step 4: Simplify right side
   60,680x = 8,199,664,704
5. Step 5: Solve for x
   x = 8,199,664,704/60,680
6. Step 6: Final answer
   x = 135,129.61