Finding the Third Proportional to 1,120,644 and 2,458,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,644 : 2,458,872 = 2,458,872 : x
2. Step 2: Convert to fraction form
   1,120,644/2,458,872 = 2,458,872/x
3. Step 3: Cross multiply
   1,120,644x = 2,458,872 × 2,458,872
4. Step 4: Simplify right side
   1,120,644x = 6,046,051,512,384
5. Step 5: Solve for x
   x = 6,046,051,512,384/1,120,644
6. Step 6: Final answer
   x = 5,395,158.06