Finding the Third Proportional to 2,568,818 and 5,646,127

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,818 : 5,646,127 = 5,646,127 : x
2. Step 2: Convert to fraction form
   2,568,818/5,646,127 = 5,646,127/x
3. Step 3: Cross multiply
   2,568,818x = 5,646,127 × 5,646,127
4. Step 4: Simplify right side
   2,568,818x = 31,878,750,100,129
5. Step 5: Solve for x
   x = 31,878,750,100,129/2,568,818
6. Step 6: Final answer
   x = 12,409,890.50