Finding the Third Proportional to 9,879.75 and 17,566.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,879.75 : 17,566.88 = 17,566.88 : x
2. Step 2: Convert to fraction form
   9,879.75/17,566.88 = 17,566.88/x
3. Step 3: Cross multiply
   9,879.75x = 17,566.88 × 17,566.88
4. Step 4: Simplify right side
   9,879.75x = 308,595,097.27
5. Step 5: Solve for x
   x = 308,595,097.27/9,879.75
6. Step 6: Final answer
   x = 31,235.11