Finding the Third Proportional to 3,451 and 5,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451 : 5,488.50 = 5,488.50 : x
2. Step 2: Convert to fraction form
   3,451/5,488.50 = 5,488.50/x
3. Step 3: Cross multiply
   3,451x = 5,488.50 × 5,488.50
4. Step 4: Simplify right side
   3,451x = 30,123,632.25
5. Step 5: Solve for x
   x = 30,123,632.25/3,451
6. Step 6: Final answer
   x = 8,728.96