Finding the Third Proportional to 768,228 and 1,019,412

Step by Step Solution

1. Step 1: Write the proportion equation
   768,228 : 1,019,412 = 1,019,412 : x
2. Step 2: Convert to fraction form
   768,228/1,019,412 = 1,019,412/x
3. Step 3: Cross multiply
   768,228x = 1,019,412 × 1,019,412
4. Step 4: Simplify right side
   768,228x = 1,039,200,825,744
5. Step 5: Solve for x
   x = 1,039,200,825,744/768,228
6. Step 6: Final answer
   x = 1,352,724.49