Finding the Third Proportional to 1,171,488 and 2,557,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,488 : 2,557,788 = 2,557,788 : x
2. Step 2: Convert to fraction form
   1,171,488/2,557,788 = 2,557,788/x
3. Step 3: Cross multiply
   1,171,488x = 2,557,788 × 2,557,788
4. Step 4: Simplify right side
   1,171,488x = 6,542,279,452,944
5. Step 5: Solve for x
   x = 6,542,279,452,944/1,171,488
6. Step 6: Final answer
   x = 5,584,589.39