Finding the Third Proportional to 113,238 and 231,396

Step by Step Solution

1. Step 1: Write the proportion equation
   113,238 : 231,396 = 231,396 : x
2. Step 2: Convert to fraction form
   113,238/231,396 = 231,396/x
3. Step 3: Cross multiply
   113,238x = 231,396 × 231,396
4. Step 4: Simplify right side
   113,238x = 53,544,108,816
5. Step 5: Solve for x
   x = 53,544,108,816/113,238
6. Step 6: Final answer
   x = 472,845.77