Finding the Third Proportional to 1,434.38 and 3,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.38 : 3,141.75 = 3,141.75 : x
2. Step 2: Convert to fraction form
   1,434.38/3,141.75 = 3,141.75/x
3. Step 3: Cross multiply
   1,434.38x = 3,141.75 × 3,141.75
4. Step 4: Simplify right side
   1,434.38x = 9,870,593.06
5. Step 5: Solve for x
   x = 9,870,593.06/1,434.38
6. Step 6: Final answer
   x = 6,881.46