Finding the Third Proportional to 2,161,256 and 5,002,918

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,256 : 5,002,918 = 5,002,918 : x
2. Step 2: Convert to fraction form
   2,161,256/5,002,918 = 5,002,918/x
3. Step 3: Cross multiply
   2,161,256x = 5,002,918 × 5,002,918
4. Step 4: Simplify right side
   2,161,256x = 25,029,188,514,724
5. Step 5: Solve for x
   x = 25,029,188,514,724/2,161,256
6. Step 6: Final answer
   x = 11,580,853.22