Finding the Third Proportional to 539,878 and 1,181,451

Step by Step Solution

1. Step 1: Write the proportion equation
   539,878 : 1,181,451 = 1,181,451 : x
2. Step 2: Convert to fraction form
   539,878/1,181,451 = 1,181,451/x
3. Step 3: Cross multiply
   539,878x = 1,181,451 × 1,181,451
4. Step 4: Simplify right side
   539,878x = 1,395,826,465,401
5. Step 5: Solve for x
   x = 1,395,826,465,401/539,878
6. Step 6: Final answer
   x = 2,585,447.94