Finding the Third Proportional to 11,155.13 and 17,272.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.13 : 17,272.88 = 17,272.88 : x
2. Step 2: Convert to fraction form
   11,155.13/17,272.88 = 17,272.88/x
3. Step 3: Cross multiply
   11,155.13x = 17,272.88 × 17,272.88
4. Step 4: Simplify right side
   11,155.13x = 298,352,210.77
5. Step 5: Solve for x
   x = 298,352,210.77/11,155.13
6. Step 6: Final answer
   x = 26,745.75