Finding the Third Proportional to 2,557,404 and 4,261,734

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,404 : 4,261,734 = 4,261,734 : x
2. Step 2: Convert to fraction form
   2,557,404/4,261,734 = 4,261,734/x
3. Step 3: Cross multiply
   2,557,404x = 4,261,734 × 4,261,734
4. Step 4: Simplify right side
   2,557,404x = 18,162,376,686,756
5. Step 5: Solve for x
   x = 18,162,376,686,756/2,557,404
6. Step 6: Final answer
   x = 7,101,880.14