Finding the Third Proportional to 2,140.50 and 3,255

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.50 : 3,255 = 3,255 : x
2. Step 2: Convert to fraction form
   2,140.50/3,255 = 3,255/x
3. Step 3: Cross multiply
   2,140.50x = 3,255 × 3,255
4. Step 4: Simplify right side
   2,140.50x = 10,595,025
5. Step 5: Solve for x
   x = 10,595,025/2,140.50
6. Step 6: Final answer
   x = 4,949.79