Finding the Third Proportional to 404,622 and 874,854

Step by Step Solution

1. Step 1: Write the proportion equation
   404,622 : 874,854 = 874,854 : x
2. Step 2: Convert to fraction form
   404,622/874,854 = 874,854/x
3. Step 3: Cross multiply
   404,622x = 874,854 × 874,854
4. Step 4: Simplify right side
   404,622x = 765,369,521,316
5. Step 5: Solve for x
   x = 765,369,521,316/404,622
6. Step 6: Final answer
   x = 1,891,566.75