Finding the Third Proportional to 282,744 and 619,920

Step by Step Solution

1. Step 1: Write the proportion equation
   282,744 : 619,920 = 619,920 : x
2. Step 2: Convert to fraction form
   282,744/619,920 = 619,920/x
3. Step 3: Cross multiply
   282,744x = 619,920 × 619,920
4. Step 4: Simplify right side
   282,744x = 384,300,806,400
5. Step 5: Solve for x
   x = 384,300,806,400/282,744
6. Step 6: Final answer
   x = 1,359,182.89