Finding the Third Proportional to 1,227,736 and 2,678,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,736 : 2,678,485 = 2,678,485 : x
2. Step 2: Convert to fraction form
   1,227,736/2,678,485 = 2,678,485/x
3. Step 3: Cross multiply
   1,227,736x = 2,678,485 × 2,678,485
4. Step 4: Simplify right side
   1,227,736x = 7,174,281,895,225
5. Step 5: Solve for x
   x = 7,174,281,895,225/1,227,736
6. Step 6: Final answer
   x = 5,843,505.36