Finding the Third Proportional to 728,682 and 1,018,974

Step by Step Solution

1. Step 1: Write the proportion equation
   728,682 : 1,018,974 = 1,018,974 : x
2. Step 2: Convert to fraction form
   728,682/1,018,974 = 1,018,974/x
3. Step 3: Cross multiply
   728,682x = 1,018,974 × 1,018,974
4. Step 4: Simplify right side
   728,682x = 1,038,308,012,676
5. Step 5: Solve for x
   x = 1,038,308,012,676/728,682
6. Step 6: Final answer
   x = 1,424,912.39