Finding the Third Proportional to 282,540 and 619,950

Step by Step Solution

1. Step 1: Write the proportion equation
   282,540 : 619,950 = 619,950 : x
2. Step 2: Convert to fraction form
   282,540/619,950 = 619,950/x
3. Step 3: Cross multiply
   282,540x = 619,950 × 619,950
4. Step 4: Simplify right side
   282,540x = 384,338,002,500
5. Step 5: Solve for x
   x = 384,338,002,500/282,540
6. Step 6: Final answer
   x = 1,360,295.90