Finding the Third Proportional to 6,698 and 10,405

Step by Step Solution

1. Step 1: Write the proportion equation
   6,698 : 10,405 = 10,405 : x
2. Step 2: Convert to fraction form
   6,698/10,405 = 10,405/x
3. Step 3: Cross multiply
   6,698x = 10,405 × 10,405
4. Step 4: Simplify right side
   6,698x = 108,264,025
5. Step 5: Solve for x
   x = 108,264,025/6,698
6. Step 6: Final answer
   x = 16,163.63