Finding the Third Proportional to 13,715.38 and 18,351.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,715.38 : 18,351.75 = 18,351.75 : x
2. Step 2: Convert to fraction form
   13,715.38/18,351.75 = 18,351.75/x
3. Step 3: Cross multiply
   13,715.38x = 18,351.75 × 18,351.75
4. Step 4: Simplify right side
   13,715.38x = 336,786,728.06
5. Step 5: Solve for x
   x = 336,786,728.06/13,715.38
6. Step 6: Final answer
   x = 24,555.42