Finding the Third Proportional to 188,239.50 and 395,856

Step by Step Solution

1. Step 1: Write the proportion equation
   188,239.50 : 395,856 = 395,856 : x
2. Step 2: Convert to fraction form
   188,239.50/395,856 = 395,856/x
3. Step 3: Cross multiply
   188,239.50x = 395,856 × 395,856
4. Step 4: Simplify right side
   188,239.50x = 156,701,972,736
5. Step 5: Solve for x
   x = 156,701,972,736/188,239.50
6. Step 6: Final answer
   x = 832,460.63