Finding the Third Proportional to 111,907 and 241,687

Step by Step Solution

1. Step 1: Write the proportion equation
   111,907 : 241,687 = 241,687 : x
2. Step 2: Convert to fraction form
   111,907/241,687 = 241,687/x
3. Step 3: Cross multiply
   111,907x = 241,687 × 241,687
4. Step 4: Simplify right side
   111,907x = 58,412,605,969
5. Step 5: Solve for x
   x = 58,412,605,969/111,907
6. Step 6: Final answer
   x = 521,974.55