Finding the Third Proportional to 728,469 and 1,105,827

Step by Step Solution

1. Step 1: Write the proportion equation
   728,469 : 1,105,827 = 1,105,827 : x
2. Step 2: Convert to fraction form
   728,469/1,105,827 = 1,105,827/x
3. Step 3: Cross multiply
   728,469x = 1,105,827 × 1,105,827
4. Step 4: Simplify right side
   728,469x = 1,222,853,353,929
5. Step 5: Solve for x
   x = 1,222,853,353,929/728,469
6. Step 6: Final answer
   x = 1,678,662.17