Finding the Third Proportional to 2,228.55 and 3,528.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.55 : 3,528.25 = 3,528.25 : x
2. Step 2: Convert to fraction form
   2,228.55/3,528.25 = 3,528.25/x
3. Step 3: Cross multiply
   2,228.55x = 3,528.25 × 3,528.25
4. Step 4: Simplify right side
   2,228.55x = 12,448,520.50
5. Step 5: Solve for x
   x = 12,448,520.50/2,228.55
6. Step 6: Final answer
   x = 5,585.92