Finding the Third Proportional to 192,838.50 and 395,073

Step by Step Solution

1. Step 1: Write the proportion equation
   192,838.50 : 395,073 = 395,073 : x
2. Step 2: Convert to fraction form
   192,838.50/395,073 = 395,073/x
3. Step 3: Cross multiply
   192,838.50x = 395,073 × 395,073
4. Step 4: Simplify right side
   192,838.50x = 156,082,675,329
5. Step 5: Solve for x
   x = 156,082,675,329/192,838.50
6. Step 6: Final answer
   x = 809,395.82