Finding the Third Proportional to 404,624 and 874,858

Step by Step Solution

1. Step 1: Write the proportion equation
   404,624 : 874,858 = 874,858 : x
2. Step 2: Convert to fraction form
   404,624/874,858 = 874,858/x
3. Step 3: Cross multiply
   404,624x = 874,858 × 874,858
4. Step 4: Simplify right side
   404,624x = 765,376,520,164
5. Step 5: Solve for x
   x = 765,376,520,164/404,624
6. Step 6: Final answer
   x = 1,891,574.70