Finding the Third Proportional to 505,357 and 1,105,666

Step by Step Solution

1. Step 1: Write the proportion equation
   505,357 : 1,105,666 = 1,105,666 : x
2. Step 2: Convert to fraction form
   505,357/1,105,666 = 1,105,666/x
3. Step 3: Cross multiply
   505,357x = 1,105,666 × 1,105,666
4. Step 4: Simplify right side
   505,357x = 1,222,497,303,556
5. Step 5: Solve for x
   x = 1,222,497,303,556/505,357
6. Step 6: Final answer
   x = 2,419,076.62