Finding the Third Proportional to 6,610 and 10,699

Step by Step Solution

1. Step 1: Write the proportion equation
   6,610 : 10,699 = 10,699 : x
2. Step 2: Convert to fraction form
   6,610/10,699 = 10,699/x
3. Step 3: Cross multiply
   6,610x = 10,699 × 10,699
4. Step 4: Simplify right side
   6,610x = 114,468,601
5. Step 5: Solve for x
   x = 114,468,601/6,610
6. Step 6: Final answer
   x = 17,317.49