Finding the Third Proportional to 12,728.25 and 25,800.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728.25 : 25,800.75 = 25,800.75 : x
2. Step 2: Convert to fraction form
   12,728.25/25,800.75 = 25,800.75/x
3. Step 3: Cross multiply
   12,728.25x = 25,800.75 × 25,800.75
4. Step 4: Simplify right side
   12,728.25x = 665,678,700.56
5. Step 5: Solve for x
   x = 665,678,700.56/12,728.25
6. Step 6: Final answer
   x = 52,299.31