Finding the Third Proportional to 2,648.25 and 3,987

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.25 : 3,987 = 3,987 : x
2. Step 2: Convert to fraction form
   2,648.25/3,987 = 3,987/x
3. Step 3: Cross multiply
   2,648.25x = 3,987 × 3,987
4. Step 4: Simplify right side
   2,648.25x = 15,896,169
5. Step 5: Solve for x
   x = 15,896,169/2,648.25
6. Step 6: Final answer
   x = 6,002.52