Finding the Third Proportional to 6,821.72 and 10,414.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,821.72 : 10,414.83 = 10,414.83 : x
2. Step 2: Convert to fraction form
   6,821.72/10,414.83 = 10,414.83/x
3. Step 3: Cross multiply
   6,821.72x = 10,414.83 × 10,414.83
4. Step 4: Simplify right side
   6,821.72x = 108,468,644.87
5. Step 5: Solve for x
   x = 108,468,644.87/6,821.72
6. Step 6: Final answer
   x = 15,900.49