Finding the Third Proportional to 404,736 and 879,454

Step by Step Solution

1. Step 1: Write the proportion equation
   404,736 : 879,454 = 879,454 : x
2. Step 2: Convert to fraction form
   404,736/879,454 = 879,454/x
3. Step 3: Cross multiply
   404,736x = 879,454 × 879,454
4. Step 4: Simplify right side
   404,736x = 773,439,338,116
5. Step 5: Solve for x
   x = 773,439,338,116/404,736
6. Step 6: Final answer
   x = 1,910,972.43