Finding the Third Proportional to 3,280.50 and 5,254.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280.50 : 5,254.88 = 5,254.88 : x
2. Step 2: Convert to fraction form
   3,280.50/5,254.88 = 5,254.88/x
3. Step 3: Cross multiply
   3,280.50x = 5,254.88 × 5,254.88
4. Step 4: Simplify right side
   3,280.50x = 27,613,711.27
5. Step 5: Solve for x
   x = 27,613,711.27/3,280.50
6. Step 6: Final answer
   x = 8,417.53