Finding the Third Proportional to 627,772 and 1,341,728

Step by Step Solution

1. Step 1: Write the proportion equation
   627,772 : 1,341,728 = 1,341,728 : x
2. Step 2: Convert to fraction form
   627,772/1,341,728 = 1,341,728/x
3. Step 3: Cross multiply
   627,772x = 1,341,728 × 1,341,728
4. Step 4: Simplify right side
   627,772x = 1,800,234,025,984
5. Step 5: Solve for x
   x = 1,800,234,025,984/627,772
6. Step 6: Final answer
   x = 2,867,655.81