Finding the Third Proportional to 12,339.25 and 17,585.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,339.25 : 17,585.88 = 17,585.88 : x
2. Step 2: Convert to fraction form
   12,339.25/17,585.88 = 17,585.88/x
3. Step 3: Cross multiply
   12,339.25x = 17,585.88 × 17,585.88
4. Step 4: Simplify right side
   12,339.25x = 309,262,999.52
5. Step 5: Solve for x
   x = 309,262,999.52/12,339.25
6. Step 6: Final answer
   x = 25,063.35