Finding the Third Proportional to 2,647.50 and 3,874

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.50 : 3,874 = 3,874 : x
2. Step 2: Convert to fraction form
   2,647.50/3,874 = 3,874/x
3. Step 3: Cross multiply
   2,647.50x = 3,874 × 3,874
4. Step 4: Simplify right side
   2,647.50x = 15,007,876
5. Step 5: Solve for x
   x = 15,007,876/2,647.50
6. Step 6: Final answer
   x = 5,668.70