Finding the Third Proportional to 111,723 and 239,444

Step by Step Solution

1. Step 1: Write the proportion equation
   111,723 : 239,444 = 239,444 : x
2. Step 2: Convert to fraction form
   111,723/239,444 = 239,444/x
3. Step 3: Cross multiply
   111,723x = 239,444 × 239,444
4. Step 4: Simplify right side
   111,723x = 57,333,429,136
5. Step 5: Solve for x
   x = 57,333,429,136/111,723
6. Step 6: Final answer
   x = 513,174.81