Finding the Third Proportional to 3,997.69 and 10,405.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.69 : 10,405.13 = 10,405.13 : x
2. Step 2: Convert to fraction form
   3,997.69/10,405.13 = 10,405.13/x
3. Step 3: Cross multiply
   3,997.69x = 10,405.13 × 10,405.13
4. Step 4: Simplify right side
   3,997.69x = 108,266,626.27
5. Step 5: Solve for x
   x = 108,266,626.27/3,997.69
6. Step 6: Final answer
   x = 27,082.31