Finding the Third Proportional to 12,489.19 and 17,566.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,489.19 : 17,566.88 = 17,566.88 : x
2. Step 2: Convert to fraction form
   12,489.19/17,566.88 = 17,566.88/x
3. Step 3: Cross multiply
   12,489.19x = 17,566.88 × 17,566.88
4. Step 4: Simplify right side
   12,489.19x = 308,595,097.27
5. Step 5: Solve for x
   x = 308,595,097.27/12,489.19
6. Step 6: Final answer
   x = 24,708.98