Finding the Third Proportional to 11,456.12 and 18,229.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.12 : 18,229.27 = 18,229.27 : x
2. Step 2: Convert to fraction form
   11,456.12/18,229.27 = 18,229.27/x
3. Step 3: Cross multiply
   11,456.12x = 18,229.27 × 18,229.27
4. Step 4: Simplify right side
   11,456.12x = 332,306,338.85
5. Step 5: Solve for x
   x = 332,306,338.85/11,456.12
6. Step 6: Final answer
   x = 29,006.88