Finding the Third Proportional to 803,898 and 1,279,644

Step by Step Solution

1. Step 1: Write the proportion equation
   803,898 : 1,279,644 = 1,279,644 : x
2. Step 2: Convert to fraction form
   803,898/1,279,644 = 1,279,644/x
3. Step 3: Cross multiply
   803,898x = 1,279,644 × 1,279,644
4. Step 4: Simplify right side
   803,898x = 1,637,488,766,736
5. Step 5: Solve for x
   x = 1,637,488,766,736/803,898
6. Step 6: Final answer
   x = 2,036,935.99