Finding the Third Proportional to 2,872.38 and 4,391.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872.38 : 4,391.25 = 4,391.25 : x
2. Step 2: Convert to fraction form
   2,872.38/4,391.25 = 4,391.25/x
3. Step 3: Cross multiply
   2,872.38x = 4,391.25 × 4,391.25
4. Step 4: Simplify right side
   2,872.38x = 19,283,076.56
5. Step 5: Solve for x
   x = 19,283,076.56/2,872.38
6. Step 6: Final answer
   x = 6,713.29