Finding the Third Proportional to 11,229.26 and 17,280.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,229.26 : 17,280.53 = 17,280.53 : x
2. Step 2: Convert to fraction form
   11,229.26/17,280.53 = 17,280.53/x
3. Step 3: Cross multiply
   11,229.26x = 17,280.53 × 17,280.53
4. Step 4: Simplify right side
   11,229.26x = 298,616,625.28
5. Step 5: Solve for x
   x = 298,616,625.28/11,229.26
6. Step 6: Final answer
   x = 26,592.73