Finding the Third Proportional to 42,685 and 62,387

Step by Step Solution

1. Step 1: Write the proportion equation
   42,685 : 62,387 = 62,387 : x
2. Step 2: Convert to fraction form
   42,685/62,387 = 62,387/x
3. Step 3: Cross multiply
   42,685x = 62,387 × 62,387
4. Step 4: Simplify right side
   42,685x = 3,892,137,769
5. Step 5: Solve for x
   x = 3,892,137,769/42,685
6. Step 6: Final answer
   x = 91,182.80