Finding the Third Proportional to 803,866 and 1,279,600

Step by Step Solution

1. Step 1: Write the proportion equation
   803,866 : 1,279,600 = 1,279,600 : x
2. Step 2: Convert to fraction form
   803,866/1,279,600 = 1,279,600/x
3. Step 3: Cross multiply
   803,866x = 1,279,600 × 1,279,600
4. Step 4: Simplify right side
   803,866x = 1,637,376,160,000
5. Step 5: Solve for x
   x = 1,637,376,160,000/803,866
6. Step 6: Final answer
   x = 2,036,876.99