Finding the Third Proportional to 1,240,618 and 2,687,337

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,618 : 2,687,337 = 2,687,337 : x
2. Step 2: Convert to fraction form
   1,240,618/2,687,337 = 2,687,337/x
3. Step 3: Cross multiply
   1,240,618x = 2,687,337 × 2,687,337
4. Step 4: Simplify right side
   1,240,618x = 7,221,780,151,569
5. Step 5: Solve for x
   x = 7,221,780,151,569/1,240,618
6. Step 6: Final answer
   x = 5,821,115.08