Finding the Third Proportional to 10,879.88 and 17,291.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.88 : 17,291.81 = 17,291.81 : x
2. Step 2: Convert to fraction form
   10,879.88/17,291.81 = 17,291.81/x
3. Step 3: Cross multiply
   10,879.88x = 17,291.81 × 17,291.81
4. Step 4: Simplify right side
   10,879.88x = 299,006,779.54
5. Step 5: Solve for x
   x = 299,006,779.54/10,879.88
6. Step 6: Final answer
   x = 27,482.56