Finding the Third Proportional to 284,399.50 and 622,367

Step by Step Solution

1. Step 1: Write the proportion equation
   284,399.50 : 622,367 = 622,367 : x
2. Step 2: Convert to fraction form
   284,399.50/622,367 = 622,367/x
3. Step 3: Cross multiply
   284,399.50x = 622,367 × 622,367
4. Step 4: Simplify right side
   284,399.50x = 387,340,682,689
5. Step 5: Solve for x
   x = 387,340,682,689/284,399.50
6. Step 6: Final answer
   x = 1,361,959.79