Finding the Third Proportional to 404,464 and 880,666

Step by Step Solution

1. Step 1: Write the proportion equation
   404,464 : 880,666 = 880,666 : x
2. Step 2: Convert to fraction form
   404,464/880,666 = 880,666/x
3. Step 3: Cross multiply
   404,464x = 880,666 × 880,666
4. Step 4: Simplify right side
   404,464x = 775,572,603,556
5. Step 5: Solve for x
   x = 775,572,603,556/404,464
6. Step 6: Final answer
   x = 1,917,531.85