Finding the Third Proportional to 111,774 and 240,972

Step by Step Solution

1. Step 1: Write the proportion equation
   111,774 : 240,972 = 240,972 : x
2. Step 2: Convert to fraction form
   111,774/240,972 = 240,972/x
3. Step 3: Cross multiply
   111,774x = 240,972 × 240,972
4. Step 4: Simplify right side
   111,774x = 58,067,504,784
5. Step 5: Solve for x
   x = 58,067,504,784/111,774
6. Step 6: Final answer
   x = 519,508.16