Finding the Third Proportional to 12,400.88 and 17,725.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,400.88 : 17,725.88 = 17,725.88 : x
2. Step 2: Convert to fraction form
   12,400.88/17,725.88 = 17,725.88/x
3. Step 3: Cross multiply
   12,400.88x = 17,725.88 × 17,725.88
4. Step 4: Simplify right side
   12,400.88x = 314,206,644.52
5. Step 5: Solve for x
   x = 314,206,644.52/12,400.88
6. Step 6: Final answer
   x = 25,337.46