Finding the Third Proportional to 404,517 and 879,630

Step by Step Solution

1. Step 1: Write the proportion equation
   404,517 : 879,630 = 879,630 : x
2. Step 2: Convert to fraction form
   404,517/879,630 = 879,630/x
3. Step 3: Cross multiply
   404,517x = 879,630 × 879,630
4. Step 4: Simplify right side
   404,517x = 773,748,936,900
5. Step 5: Solve for x
   x = 773,748,936,900/404,517
6. Step 6: Final answer
   x = 1,912,772.36