Finding the Third Proportional to 12,440.25 and 17,340.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.25 : 17,340.75 = 17,340.75 : x
2. Step 2: Convert to fraction form
   12,440.25/17,340.75 = 17,340.75/x
3. Step 3: Cross multiply
   12,440.25x = 17,340.75 × 17,340.75
4. Step 4: Simplify right side
   12,440.25x = 300,701,610.56
5. Step 5: Solve for x
   x = 300,701,610.56/12,440.25
6. Step 6: Final answer
   x = 24,171.67