Finding the Third Proportional to 42,859.50 and 62,613

Step by Step Solution

1. Step 1: Write the proportion equation
   42,859.50 : 62,613 = 62,613 : x
2. Step 2: Convert to fraction form
   42,859.50/62,613 = 62,613/x
3. Step 3: Cross multiply
   42,859.50x = 62,613 × 62,613
4. Step 4: Simplify right side
   42,859.50x = 3,920,387,769
5. Step 5: Solve for x
   x = 3,920,387,769/42,859.50
6. Step 6: Final answer
   x = 91,470.68