Finding the Third Proportional to 11,449.69 and 16,728.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,449.69 : 16,728.19 = 16,728.19 : x
2. Step 2: Convert to fraction form
   11,449.69/16,728.19 = 16,728.19/x
3. Step 3: Cross multiply
   11,449.69x = 16,728.19 × 16,728.19
4. Step 4: Simplify right side
   11,449.69x = 279,832,257.04
5. Step 5: Solve for x
   x = 279,832,257.04/11,449.69
6. Step 6: Final answer
   x = 24,440.17