Finding the Third Proportional to 284,920 and 441,150

Step by Step Solution

1. Step 1: Write the proportion equation
   284,920 : 441,150 = 441,150 : x
2. Step 2: Convert to fraction form
   284,920/441,150 = 441,150/x
3. Step 3: Cross multiply
   284,920x = 441,150 × 441,150
4. Step 4: Simplify right side
   284,920x = 194,613,322,500
5. Step 5: Solve for x
   x = 194,613,322,500/284,920
6. Step 6: Final answer
   x = 683,045.50