Finding the Third Proportional to 3,398,256 and 5,146,738

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398,256 : 5,146,738 = 5,146,738 : x
2. Step 2: Convert to fraction form
   3,398,256/5,146,738 = 5,146,738/x
3. Step 3: Cross multiply
   3,398,256x = 5,146,738 × 5,146,738
4. Step 4: Simplify right side
   3,398,256x = 26,488,912,040,644
5. Step 5: Solve for x
   x = 26,488,912,040,644/3,398,256
6. Step 6: Final answer
   x = 7,794,854.78