Finding the Third Proportional to 1,227,739 and 2,678,491

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,739 : 2,678,491 = 2,678,491 : x
2. Step 2: Convert to fraction form
   1,227,739/2,678,491 = 2,678,491/x
3. Step 3: Cross multiply
   1,227,739x = 2,678,491 × 2,678,491
4. Step 4: Simplify right side
   1,227,739x = 7,174,314,037,081
5. Step 5: Solve for x
   x = 7,174,314,037,081/1,227,739
6. Step 6: Final answer
   x = 5,843,517.26