Finding the Third Proportional to 799,820 and 1,271,980

Step by Step Solution

1. Step 1: Write the proportion equation
   799,820 : 1,271,980 = 1,271,980 : x
2. Step 2: Convert to fraction form
   799,820/1,271,980 = 1,271,980/x
3. Step 3: Cross multiply
   799,820x = 1,271,980 × 1,271,980
4. Step 4: Simplify right side
   799,820x = 1,617,933,120,400
5. Step 5: Solve for x
   x = 1,617,933,120,400/799,820
6. Step 6: Final answer
   x = 2,022,871.55