Finding the Third Proportional to 11,104.59 and 16,987.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,104.59 : 16,987.22 = 16,987.22 : x
2. Step 2: Convert to fraction form
   11,104.59/16,987.22 = 16,987.22/x
3. Step 3: Cross multiply
   11,104.59x = 16,987.22 × 16,987.22
4. Step 4: Simplify right side
   11,104.59x = 288,565,600.86
5. Step 5: Solve for x
   x = 288,565,600.86/11,104.59
6. Step 6: Final answer
   x = 25,986.15