Finding the Third Proportional to 12,665.25 and 17,557.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,665.25 : 17,557.88 = 17,557.88 : x
2. Step 2: Convert to fraction form
   12,665.25/17,557.88 = 17,557.88/x
3. Step 3: Cross multiply
   12,665.25x = 17,557.88 × 17,557.88
4. Step 4: Simplify right side
   12,665.25x = 308,278,974.52
5. Step 5: Solve for x
   x = 308,278,974.52/12,665.25
6. Step 6: Final answer
   x = 24,340.54