Finding the Third Proportional to 803,900 and 1,279,650

Step by Step Solution

1. Step 1: Write the proportion equation
   803,900 : 1,279,650 = 1,279,650 : x
2. Step 2: Convert to fraction form
   803,900/1,279,650 = 1,279,650/x
3. Step 3: Cross multiply
   803,900x = 1,279,650 × 1,279,650
4. Step 4: Simplify right side
   803,900x = 1,637,504,122,500
5. Step 5: Solve for x
   x = 1,637,504,122,500/803,900
6. Step 6: Final answer
   x = 2,036,950.02