Finding the Third Proportional to 672.56 and 1,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   672.56 : 1,443.56 = 1,443.56 : x
2. Step 2: Convert to fraction form
   672.56/1,443.56 = 1,443.56/x
3. Step 3: Cross multiply
   672.56x = 1,443.56 × 1,443.56
4. Step 4: Simplify right side
   672.56x = 2,083,872.69
5. Step 5: Solve for x
   x = 2,083,872.69/672.56
6. Step 6: Final answer
   x = 3,098.41