Finding the Third Proportional to 244,020 and 388,204

Step by Step Solution

1. Step 1: Write the proportion equation
   244,020 : 388,204 = 388,204 : x
2. Step 2: Convert to fraction form
   244,020/388,204 = 388,204/x
3. Step 3: Cross multiply
   244,020x = 388,204 × 388,204
4. Step 4: Simplify right side
   244,020x = 150,702,345,616
5. Step 5: Solve for x
   x = 150,702,345,616/244,020
6. Step 6: Final answer
   x = 617,581.94