Finding the Third Proportional to 809,586 and 1,776,636

Step by Step Solution

1. Step 1: Write the proportion equation
   809,586 : 1,776,636 = 1,776,636 : x
2. Step 2: Convert to fraction form
   809,586/1,776,636 = 1,776,636/x
3. Step 3: Cross multiply
   809,586x = 1,776,636 × 1,776,636
4. Step 4: Simplify right side
   809,586x = 3,156,435,476,496
5. Step 5: Solve for x
   x = 3,156,435,476,496/809,586
6. Step 6: Final answer
   x = 3,898,826.66