Finding the Third Proportional to 111,618 and 159,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,618 : 159,124.50 = 159,124.50 : x
2. Step 2: Convert to fraction form
   111,618/159,124.50 = 159,124.50/x
3. Step 3: Cross multiply
   111,618x = 159,124.50 × 159,124.50
4. Step 4: Simplify right side
   111,618x = 25,320,606,500.25
5. Step 5: Solve for x
   x = 25,320,606,500.25/111,618
6. Step 6: Final answer
   x = 226,850.57