Finding the Third Proportional to 669,359 and 1,019,728

Step by Step Solution

1. Step 1: Write the proportion equation
   669,359 : 1,019,728 = 1,019,728 : x
2. Step 2: Convert to fraction form
   669,359/1,019,728 = 1,019,728/x
3. Step 3: Cross multiply
   669,359x = 1,019,728 × 1,019,728
4. Step 4: Simplify right side
   669,359x = 1,039,845,193,984
5. Step 5: Solve for x
   x = 1,039,845,193,984/669,359
6. Step 6: Final answer
   x = 1,553,494.01