Finding the Third Proportional to 1,369.13 and 1,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.13 : 1,744.31 = 1,744.31 : x
2. Step 2: Convert to fraction form
   1,369.13/1,744.31 = 1,744.31/x
3. Step 3: Cross multiply
   1,369.13x = 1,744.31 × 1,744.31
4. Step 4: Simplify right side
   1,369.13x = 3,042,626.10
5. Step 5: Solve for x
   x = 3,042,626.10/1,369.13
6. Step 6: Final answer
   x = 2,222.31