Finding the Third Proportional to 9,057.38 and 13,713.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.38 : 13,713.75 = 13,713.75 : x
2. Step 2: Convert to fraction form
   9,057.38/13,713.75 = 13,713.75/x
3. Step 3: Cross multiply
   9,057.38x = 13,713.75 × 13,713.75
4. Step 4: Simplify right side
   9,057.38x = 188,066,939.06
5. Step 5: Solve for x
   x = 188,066,939.06/9,057.38
6. Step 6: Final answer
   x = 20,763.96