Finding the Third Proportional to 181,981.69 and 395,400.38

Step by Step Solution

1. Step 1: Write the proportion equation
   181,981.69 : 395,400.38 = 395,400.38 : x
2. Step 2: Convert to fraction form
   181,981.69/395,400.38 = 395,400.38/x
3. Step 3: Cross multiply
   181,981.69x = 395,400.38 × 395,400.38
4. Step 4: Simplify right side
   181,981.69x = 156,341,456,550.14
5. Step 5: Solve for x
   x = 156,341,456,550.14/181,981.69
6. Step 6: Final answer
   x = 859,105.43