Finding the Third Proportional to 539,778 and 1,154,298

Step by Step Solution

1. Step 1: Write the proportion equation
   539,778 : 1,154,298 = 1,154,298 : x
2. Step 2: Convert to fraction form
   539,778/1,154,298 = 1,154,298/x
3. Step 3: Cross multiply
   539,778x = 1,154,298 × 1,154,298
4. Step 4: Simplify right side
   539,778x = 1,332,403,872,804
5. Step 5: Solve for x
   x = 1,332,403,872,804/539,778
6. Step 6: Final answer
   x = 2,468,429.38