Finding the Third Proportional to 2,568,955 and 5,646,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,955 : 5,646,392 = 5,646,392 : x
2. Step 2: Convert to fraction form
   2,568,955/5,646,392 = 5,646,392/x
3. Step 3: Cross multiply
   2,568,955x = 5,646,392 × 5,646,392
4. Step 4: Simplify right side
   2,568,955x = 31,881,742,617,664
5. Step 5: Solve for x
   x = 31,881,742,617,664/2,568,955
6. Step 6: Final answer
   x = 12,410,393.57