Finding the Third Proportional to 2,568,958 and 5,646,398

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,958 : 5,646,398 = 5,646,398 : x
2. Step 2: Convert to fraction form
   2,568,958/5,646,398 = 5,646,398/x
3. Step 3: Cross multiply
   2,568,958x = 5,646,398 × 5,646,398
4. Step 4: Simplify right side
   2,568,958x = 31,881,810,374,404
5. Step 5: Solve for x
   x = 31,881,810,374,404/2,568,958
6. Step 6: Final answer
   x = 12,410,405.45