Finding the Third Proportional to 113,168 and 238,728

Step by Step Solution

1. Step 1: Write the proportion equation
   113,168 : 238,728 = 238,728 : x
2. Step 2: Convert to fraction form
   113,168/238,728 = 238,728/x
3. Step 3: Cross multiply
   113,168x = 238,728 × 238,728
4. Step 4: Simplify right side
   113,168x = 56,991,057,984
5. Step 5: Solve for x
   x = 56,991,057,984/113,168
6. Step 6: Final answer
   x = 503,596.94