Finding the Third Proportional to 108,736 and 230,540

Step by Step Solution

1. Step 1: Write the proportion equation
   108,736 : 230,540 = 230,540 : x
2. Step 2: Convert to fraction form
   108,736/230,540 = 230,540/x
3. Step 3: Cross multiply
   108,736x = 230,540 × 230,540
4. Step 4: Simplify right side
   108,736x = 53,148,691,600
5. Step 5: Solve for x
   x = 53,148,691,600/108,736
6. Step 6: Final answer
   x = 488,786.53