Finding the Third Proportional to 11,152.13 and 17,929.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,152.13 : 17,929.69 = 17,929.69 : x
2. Step 2: Convert to fraction form
   11,152.13/17,929.69 = 17,929.69/x
3. Step 3: Cross multiply
   11,152.13x = 17,929.69 × 17,929.69
4. Step 4: Simplify right side
   11,152.13x = 321,473,693.85
5. Step 5: Solve for x
   x = 321,473,693.85/11,152.13
6. Step 6: Final answer
   x = 28,826.23