Finding the Third Proportional to 15,815.25 and 24,681.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,815.25 : 24,681.38 = 24,681.38 : x
2. Step 2: Convert to fraction form
   15,815.25/24,681.38 = 24,681.38/x
3. Step 3: Cross multiply
   15,815.25x = 24,681.38 × 24,681.38
4. Step 4: Simplify right side
   15,815.25x = 609,170,271.89
5. Step 5: Solve for x
   x = 609,170,271.89/15,815.25
6. Step 6: Final answer
   x = 38,517.90