Finding the Third Proportional to 831,222 and 1,789,578

Step by Step Solution

1. Step 1: Write the proportion equation
   831,222 : 1,789,578 = 1,789,578 : x
2. Step 2: Convert to fraction form
   831,222/1,789,578 = 1,789,578/x
3. Step 3: Cross multiply
   831,222x = 1,789,578 × 1,789,578
4. Step 4: Simplify right side
   831,222x = 3,202,589,418,084
5. Step 5: Solve for x
   x = 3,202,589,418,084/831,222
6. Step 6: Final answer
   x = 3,852,868.93