Finding the Third Proportional to 2,616,867 and 5,550,660

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616,867 : 5,550,660 = 5,550,660 : x
2. Step 2: Convert to fraction form
   2,616,867/5,550,660 = 5,550,660/x
3. Step 3: Cross multiply
   2,616,867x = 5,550,660 × 5,550,660
4. Step 4: Simplify right side
   2,616,867x = 30,809,826,435,600
5. Step 5: Solve for x
   x = 30,809,826,435,600/2,616,867
6. Step 6: Final answer
   x = 11,773,554.57