Finding the Third Proportional to 553,838 and 1,204,874

Step by Step Solution

1. Step 1: Write the proportion equation
   553,838 : 1,204,874 = 1,204,874 : x
2. Step 2: Convert to fraction form
   553,838/1,204,874 = 1,204,874/x
3. Step 3: Cross multiply
   553,838x = 1,204,874 × 1,204,874
4. Step 4: Simplify right side
   553,838x = 1,451,721,355,876
5. Step 5: Solve for x
   x = 1,451,721,355,876/553,838
6. Step 6: Final answer
   x = 2,621,202.15