Finding the Third Proportional to 383,912 and 600,870

Step by Step Solution

1. Step 1: Write the proportion equation
   383,912 : 600,870 = 600,870 : x
2. Step 2: Convert to fraction form
   383,912/600,870 = 600,870/x
3. Step 3: Cross multiply
   383,912x = 600,870 × 600,870
4. Step 4: Simplify right side
   383,912x = 361,044,756,900
5. Step 5: Solve for x
   x = 361,044,756,900/383,912
6. Step 6: Final answer
   x = 940,436.24