Finding the Third Proportional to 404,436 and 880,582

Step by Step Solution

1. Step 1: Write the proportion equation
   404,436 : 880,582 = 880,582 : x
2. Step 2: Convert to fraction form
   404,436/880,582 = 880,582/x
3. Step 3: Cross multiply
   404,436x = 880,582 × 880,582
4. Step 4: Simplify right side
   404,436x = 775,424,658,724
5. Step 5: Solve for x
   x = 775,424,658,724/404,436
6. Step 6: Final answer
   x = 1,917,298.80