Finding the Third Proportional to 575,522 and 1,253,218

Step by Step Solution

1. Step 1: Write the proportion equation
   575,522 : 1,253,218 = 1,253,218 : x
2. Step 2: Convert to fraction form
   575,522/1,253,218 = 1,253,218/x
3. Step 3: Cross multiply
   575,522x = 1,253,218 × 1,253,218
4. Step 4: Simplify right side
   575,522x = 1,570,555,355,524
5. Step 5: Solve for x
   x = 1,570,555,355,524/575,522
6. Step 6: Final answer
   x = 2,728,923.23