Finding the Third Proportional to 363,892 and 789,944

Step by Step Solution

1. Step 1: Write the proportion equation
   363,892 : 789,944 = 789,944 : x
2. Step 2: Convert to fraction form
   363,892/789,944 = 789,944/x
3. Step 3: Cross multiply
   363,892x = 789,944 × 789,944
4. Step 4: Simplify right side
   363,892x = 624,011,523,136
5. Step 5: Solve for x
   x = 624,011,523,136/363,892
6. Step 6: Final answer
   x = 1,714,826.17