Finding the Third Proportional to 111,728 and 234,946

Step by Step Solution

1. Step 1: Write the proportion equation
   111,728 : 234,946 = 234,946 : x
2. Step 2: Convert to fraction form
   111,728/234,946 = 234,946/x
3. Step 3: Cross multiply
   111,728x = 234,946 × 234,946
4. Step 4: Simplify right side
   111,728x = 55,199,622,916
5. Step 5: Solve for x
   x = 55,199,622,916/111,728
6. Step 6: Final answer
   x = 494,053.62