Finding the Third Proportional to 8,287.88 and 17,899.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,287.88 : 17,899.73 = 17,899.73 : x
2. Step 2: Convert to fraction form
   8,287.88/17,899.73 = 17,899.73/x
3. Step 3: Cross multiply
   8,287.88x = 17,899.73 × 17,899.73
4. Step 4: Simplify right side
   8,287.88x = 320,400,490.70
5. Step 5: Solve for x
   x = 320,400,490.70/8,287.88
6. Step 6: Final answer
   x = 38,658.94