Finding the Third Proportional to 3,555,155 and 7,879,027

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,155 : 7,879,027 = 7,879,027 : x
2. Step 2: Convert to fraction form
   3,555,155/7,879,027 = 7,879,027/x
3. Step 3: Cross multiply
   3,555,155x = 7,879,027 × 7,879,027
4. Step 4: Simplify right side
   3,555,155x = 62,079,066,466,729
5. Step 5: Solve for x
   x = 62,079,066,466,729/3,555,155
6. Step 6: Final answer
   x = 17,461,704.61