Finding the Third Proportional to 2,131,261 and 4,565,762

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,261 : 4,565,762 = 4,565,762 : x
2. Step 2: Convert to fraction form
   2,131,261/4,565,762 = 4,565,762/x
3. Step 3: Cross multiply
   2,131,261x = 4,565,762 × 4,565,762
4. Step 4: Simplify right side
   2,131,261x = 20,846,182,640,644
5. Step 5: Solve for x
   x = 20,846,182,640,644/2,131,261
6. Step 6: Final answer
   x = 9,781,149.58