Finding the Third Proportional to 6,721 and 10,383

Step by Step Solution

1. Step 1: Write the proportion equation
   6,721 : 10,383 = 10,383 : x
2. Step 2: Convert to fraction form
   6,721/10,383 = 10,383/x
3. Step 3: Cross multiply
   6,721x = 10,383 × 10,383
4. Step 4: Simplify right side
   6,721x = 107,806,689
5. Step 5: Solve for x
   x = 107,806,689/6,721
6. Step 6: Final answer
   x = 16,040.28