Finding the Third Proportional to 109,789.50 and 236,223

Step by Step Solution

1. Step 1: Write the proportion equation
   109,789.50 : 236,223 = 236,223 : x
2. Step 2: Convert to fraction form
   109,789.50/236,223 = 236,223/x
3. Step 3: Cross multiply
   109,789.50x = 236,223 × 236,223
4. Step 4: Simplify right side
   109,789.50x = 55,801,305,729
5. Step 5: Solve for x
   x = 55,801,305,729/109,789.50
6. Step 6: Final answer
   x = 508,257.22