Finding the Third Proportional to 1,443.94 and 1,578.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.94 : 1,578.38 = 1,578.38 : x
2. Step 2: Convert to fraction form
   1,443.94/1,578.38 = 1,578.38/x
3. Step 3: Cross multiply
   1,443.94x = 1,578.38 × 1,578.38
4. Step 4: Simplify right side
   1,443.94x = 2,491,267.64
5. Step 5: Solve for x
   x = 2,491,267.64/1,443.94
6. Step 6: Final answer
   x = 1,725.33