Finding the Third Proportional to 3,951 and 5,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951 : 5,616.50 = 5,616.50 : x
2. Step 2: Convert to fraction form
   3,951/5,616.50 = 5,616.50/x
3. Step 3: Cross multiply
   3,951x = 5,616.50 × 5,616.50
4. Step 4: Simplify right side
   3,951x = 31,545,072.25
5. Step 5: Solve for x
   x = 31,545,072.25/3,951
6. Step 6: Final answer
   x = 7,984.07