Finding the Third Proportional to 803,874 and 1,279,611

Step by Step Solution

1. Step 1: Write the proportion equation
   803,874 : 1,279,611 = 1,279,611 : x
2. Step 2: Convert to fraction form
   803,874/1,279,611 = 1,279,611/x
3. Step 3: Cross multiply
   803,874x = 1,279,611 × 1,279,611
4. Step 4: Simplify right side
   803,874x = 1,637,404,311,321
5. Step 5: Solve for x
   x = 1,637,404,311,321/803,874
6. Step 6: Final answer
   x = 2,036,891.74