Finding the Third Proportional to 574,905 and 1,209,398

Step by Step Solution

1. Step 1: Write the proportion equation
   574,905 : 1,209,398 = 1,209,398 : x
2. Step 2: Convert to fraction form
   574,905/1,209,398 = 1,209,398/x
3. Step 3: Cross multiply
   574,905x = 1,209,398 × 1,209,398
4. Step 4: Simplify right side
   574,905x = 1,462,643,522,404
5. Step 5: Solve for x
   x = 1,462,643,522,404/574,905
6. Step 6: Final answer
   x = 2,544,148.20