Finding the Third Proportional to 2,595,618 and 5,590,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,595,618 : 5,590,443 = 5,590,443 : x
2. Step 2: Convert to fraction form
   2,595,618/5,590,443 = 5,590,443/x
3. Step 3: Cross multiply
   2,595,618x = 5,590,443 × 5,590,443
4. Step 4: Simplify right side
   2,595,618x = 31,253,052,936,249
5. Step 5: Solve for x
   x = 31,253,052,936,249/2,595,618
6. Step 6: Final answer
   x = 12,040,698.18