Finding the Third Proportional to 14,128.88 and 20,760.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.88 : 20,760.75 = 20,760.75 : x
2. Step 2: Convert to fraction form
   14,128.88/20,760.75 = 20,760.75/x
3. Step 3: Cross multiply
   14,128.88x = 20,760.75 × 20,760.75
4. Step 4: Simplify right side
   14,128.88x = 431,008,740.56
5. Step 5: Solve for x
   x = 431,008,740.56/14,128.88
6. Step 6: Final answer
   x = 30,505.52