Finding the Third Proportional to 253,828.69 and 336,934.69

Step by Step Solution

1. Step 1: Write the proportion equation
   253,828.69 : 336,934.69 = 336,934.69 : x
2. Step 2: Convert to fraction form
   253,828.69/336,934.69 = 336,934.69/x
3. Step 3: Cross multiply
   253,828.69x = 336,934.69 × 336,934.69
4. Step 4: Simplify right side
   253,828.69x = 113,524,983,640.72
5. Step 5: Solve for x
   x = 113,524,983,640.72/253,828.69
6. Step 6: Final answer
   x = 447,250.41