Finding the Third Proportional to 111,067.50 and 238,551

Step by Step Solution

1. Step 1: Write the proportion equation
   111,067.50 : 238,551 = 238,551 : x
2. Step 2: Convert to fraction form
   111,067.50/238,551 = 238,551/x
3. Step 3: Cross multiply
   111,067.50x = 238,551 × 238,551
4. Step 4: Simplify right side
   111,067.50x = 56,906,579,601
5. Step 5: Solve for x
   x = 56,906,579,601/111,067.50
6. Step 6: Final answer
   x = 512,360.32