Finding the Third Proportional to 505,338 and 1,105,629

Step by Step Solution

1. Step 1: Write the proportion equation
   505,338 : 1,105,629 = 1,105,629 : x
2. Step 2: Convert to fraction form
   505,338/1,105,629 = 1,105,629/x
3. Step 3: Cross multiply
   505,338x = 1,105,629 × 1,105,629
4. Step 4: Simplify right side
   505,338x = 1,222,415,485,641
5. Step 5: Solve for x
   x = 1,222,415,485,641/505,338
6. Step 6: Final answer
   x = 2,419,005.67