Finding the Third Proportional to 2,808 and 3,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808 : 3,612 = 3,612 : x
2. Step 2: Convert to fraction form
   2,808/3,612 = 3,612/x
3. Step 3: Cross multiply
   2,808x = 3,612 × 3,612
4. Step 4: Simplify right side
   2,808x = 13,046,544
5. Step 5: Solve for x
   x = 13,046,544/2,808
6. Step 6: Final answer
   x = 4,646.21