Finding the Third Proportional to 803,870 and 1,279,606

Step by Step Solution

1. Step 1: Write the proportion equation
   803,870 : 1,279,606 = 1,279,606 : x
2. Step 2: Convert to fraction form
   803,870/1,279,606 = 1,279,606/x
3. Step 3: Cross multiply
   803,870x = 1,279,606 × 1,279,606
4. Step 4: Simplify right side
   803,870x = 1,637,391,515,236
5. Step 5: Solve for x
   x = 1,637,391,515,236/803,870
6. Step 6: Final answer
   x = 2,036,885.96