Finding the Third Proportional to 10,939.92 and 22,281.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.92 : 22,281.05 = 22,281.05 : x
2. Step 2: Convert to fraction form
   10,939.92/22,281.05 = 22,281.05/x
3. Step 3: Cross multiply
   10,939.92x = 22,281.05 × 22,281.05
4. Step 4: Simplify right side
   10,939.92x = 496,445,049.85
5. Step 5: Solve for x
   x = 496,445,049.85/10,939.92
6. Step 6: Final answer
   x = 45,379.21