Finding the Third Proportional to 809,474 and 1,776,412

Step by Step Solution

1. Step 1: Write the proportion equation
   809,474 : 1,776,412 = 1,776,412 : x
2. Step 2: Convert to fraction form
   809,474/1,776,412 = 1,776,412/x
3. Step 3: Cross multiply
   809,474x = 1,776,412 × 1,776,412
4. Step 4: Simplify right side
   809,474x = 3,155,639,593,744
5. Step 5: Solve for x
   x = 3,155,639,593,744/809,474
6. Step 6: Final answer
   x = 3,898,382.89