Finding the Third Proportional to 5,617.69 and 13,231.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,617.69 : 13,231.69 = 13,231.69 : x
2. Step 2: Convert to fraction form
   5,617.69/13,231.69 = 13,231.69/x
3. Step 3: Cross multiply
   5,617.69x = 13,231.69 × 13,231.69
4. Step 4: Simplify right side
   5,617.69x = 175,077,554.10
5. Step 5: Solve for x
   x = 175,077,554.10/5,617.69
6. Step 6: Final answer
   x = 31,165.41