Finding the Third Proportional to 543,648 and 799,452

Step by Step Solution

1. Step 1: Write the proportion equation
   543,648 : 799,452 = 799,452 : x
2. Step 2: Convert to fraction form
   543,648/799,452 = 799,452/x
3. Step 3: Cross multiply
   543,648x = 799,452 × 799,452
4. Step 4: Simplify right side
   543,648x = 639,123,500,304
5. Step 5: Solve for x
   x = 639,123,500,304/543,648
6. Step 6: Final answer
   x = 1,175,620.07