Finding the Third Proportional to 284,162 and 424,298

Step by Step Solution

1. Step 1: Write the proportion equation
   284,162 : 424,298 = 424,298 : x
2. Step 2: Convert to fraction form
   284,162/424,298 = 424,298/x
3. Step 3: Cross multiply
   284,162x = 424,298 × 424,298
4. Step 4: Simplify right side
   284,162x = 180,028,792,804
5. Step 5: Solve for x
   x = 180,028,792,804/284,162
6. Step 6: Final answer
   x = 633,542.81