Finding the Third Proportional to 6,443 and 10,499

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443 : 10,499 = 10,499 : x
2. Step 2: Convert to fraction form
   6,443/10,499 = 10,499/x
3. Step 3: Cross multiply
   6,443x = 10,499 × 10,499
4. Step 4: Simplify right side
   6,443x = 110,229,001
5. Step 5: Solve for x
   x = 110,229,001/6,443
6. Step 6: Final answer
   x = 17,108.33