Finding the Third Proportional to 54,229.50 and 111,918.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,229.50 : 111,918.38 = 111,918.38 : x
2. Step 2: Convert to fraction form
   54,229.50/111,918.38 = 111,918.38/x
3. Step 3: Cross multiply
   54,229.50x = 111,918.38 × 111,918.38
4. Step 4: Simplify right side
   54,229.50x = 12,525,722,662.64
5. Step 5: Solve for x
   x = 12,525,722,662.64/54,229.50
6. Step 6: Final answer
   x = 230,976.18