Finding the Third Proportional to 111,262.50 and 230,403.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,262.50 : 230,403.38 = 230,403.38 : x
2. Step 2: Convert to fraction form
   111,262.50/230,403.38 = 230,403.38/x
3. Step 3: Cross multiply
   111,262.50x = 230,403.38 × 230,403.38
4. Step 4: Simplify right side
   111,262.50x = 53,085,715,211.39
5. Step 5: Solve for x
   x = 53,085,715,211.39/111,262.50
6. Step 6: Final answer
   x = 477,121.36