Finding the Third Proportional to 1,443.38 and 3,161.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.38 : 3,161.53 = 3,161.53 : x
2. Step 2: Convert to fraction form
   1,443.38/3,161.53 = 3,161.53/x
3. Step 3: Cross multiply
   1,443.38x = 3,161.53 × 3,161.53
4. Step 4: Simplify right side
   1,443.38x = 9,995,279.84
5. Step 5: Solve for x
   x = 9,995,279.84/1,443.38
6. Step 6: Final answer
   x = 6,924.94