Finding the Third Proportional to 105,113.50 and 236,540

Step by Step Solution

1. Step 1: Write the proportion equation
   105,113.50 : 236,540 = 236,540 : x
2. Step 2: Convert to fraction form
   105,113.50/236,540 = 236,540/x
3. Step 3: Cross multiply
   105,113.50x = 236,540 × 236,540
4. Step 4: Simplify right side
   105,113.50x = 55,951,171,600
5. Step 5: Solve for x
   x = 55,951,171,600/105,113.50
6. Step 6: Final answer
   x = 532,292.92