Finding the Third Proportional to 404,608 and 886,616

Step by Step Solution

1. Step 1: Write the proportion equation
   404,608 : 886,616 = 886,616 : x
2. Step 2: Convert to fraction form
   404,608/886,616 = 886,616/x
3. Step 3: Cross multiply
   404,608x = 886,616 × 886,616
4. Step 4: Simplify right side
   404,608x = 786,087,931,456
5. Step 5: Solve for x
   x = 786,087,931,456/404,608
6. Step 6: Final answer
   x = 1,942,838.33