Finding the Third Proportional to 8,662.57 and 13,025.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662.57 : 13,025.18 = 13,025.18 : x
2. Step 2: Convert to fraction form
   8,662.57/13,025.18 = 13,025.18/x
3. Step 3: Cross multiply
   8,662.57x = 13,025.18 × 13,025.18
4. Step 4: Simplify right side
   8,662.57x = 169,655,305.89
5. Step 5: Solve for x
   x = 169,655,305.89/8,662.57
6. Step 6: Final answer
   x = 19,584.87