Finding the Third Proportional to 113,608.69 and 239,518.69

Step by Step Solution

1. Step 1: Write the proportion equation
   113,608.69 : 239,518.69 = 239,518.69 : x
2. Step 2: Convert to fraction form
   113,608.69/239,518.69 = 239,518.69/x
3. Step 3: Cross multiply
   113,608.69x = 239,518.69 × 239,518.69
4. Step 4: Simplify right side
   113,608.69x = 57,369,201,661.72
5. Step 5: Solve for x
   x = 57,369,201,661.72/113,608.69
6. Step 6: Final answer
   x = 504,971.96