Finding the Third Proportional to 15,617.25 and 24,978.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,617.25 : 24,978.38 = 24,978.38 : x
2. Step 2: Convert to fraction form
   15,617.25/24,978.38 = 24,978.38/x
3. Step 3: Cross multiply
   15,617.25x = 24,978.38 × 24,978.38
4. Step 4: Simplify right side
   15,617.25x = 623,919,217.64
5. Step 5: Solve for x
   x = 623,919,217.64/15,617.25
6. Step 6: Final answer
   x = 39,950.65