Finding the Third Proportional to 42,613 and 62,605

Step by Step Solution

1. Step 1: Write the proportion equation
   42,613 : 62,605 = 62,605 : x
2. Step 2: Convert to fraction form
   42,613/62,605 = 62,605/x
3. Step 3: Cross multiply
   42,613x = 62,605 × 62,605
4. Step 4: Simplify right side
   42,613x = 3,919,386,025
5. Step 5: Solve for x
   x = 3,919,386,025/42,613
6. Step 6: Final answer
   x = 91,976.30