Finding the Third Proportional to 2,451 and 3,286.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451 : 3,286.50 = 3,286.50 : x
2. Step 2: Convert to fraction form
   2,451/3,286.50 = 3,286.50/x
3. Step 3: Cross multiply
   2,451x = 3,286.50 × 3,286.50
4. Step 4: Simplify right side
   2,451x = 10,801,082.25
5. Step 5: Solve for x
   x = 10,801,082.25/2,451
6. Step 6: Final answer
   x = 4,406.81