Finding the Third Proportional to 800,820 and 1,078,650

Step by Step Solution

1. Step 1: Write the proportion equation
   800,820 : 1,078,650 = 1,078,650 : x
2. Step 2: Convert to fraction form
   800,820/1,078,650 = 1,078,650/x
3. Step 3: Cross multiply
   800,820x = 1,078,650 × 1,078,650
4. Step 4: Simplify right side
   800,820x = 1,163,485,822,500
5. Step 5: Solve for x
   x = 1,163,485,822,500/800,820
6. Step 6: Final answer
   x = 1,452,868.09