Finding the Third Proportional to 60,682 and 90,555

Step by Step Solution

1. Step 1: Write the proportion equation
   60,682 : 90,555 = 90,555 : x
2. Step 2: Convert to fraction form
   60,682/90,555 = 90,555/x
3. Step 3: Cross multiply
   60,682x = 90,555 × 90,555
4. Step 4: Simplify right side
   60,682x = 8,200,208,025
5. Step 5: Solve for x
   x = 8,200,208,025/60,682
6. Step 6: Final answer
   x = 135,134.11