Finding the Third Proportional to 828,792 and 1,279,800

Step by Step Solution

1. Step 1: Write the proportion equation
   828,792 : 1,279,800 = 1,279,800 : x
2. Step 2: Convert to fraction form
   828,792/1,279,800 = 1,279,800/x
3. Step 3: Cross multiply
   828,792x = 1,279,800 × 1,279,800
4. Step 4: Simplify right side
   828,792x = 1,637,888,040,000
5. Step 5: Solve for x
   x = 1,637,888,040,000/828,792
6. Step 6: Final answer
   x = 1,976,235.34