Finding the Third Proportional to 6,780.98 and 10,366.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.98 : 10,366.89 = 10,366.89 : x
2. Step 2: Convert to fraction form
   6,780.98/10,366.89 = 10,366.89/x
3. Step 3: Cross multiply
   6,780.98x = 10,366.89 × 10,366.89
4. Step 4: Simplify right side
   6,780.98x = 107,472,461.73
5. Step 5: Solve for x
   x = 107,472,461.73/6,780.98
6. Step 6: Final answer
   x = 15,849.10