Finding the Third Proportional to 192,493.50 and 397,182

Step by Step Solution

1. Step 1: Write the proportion equation
   192,493.50 : 397,182 = 397,182 : x
2. Step 2: Convert to fraction form
   192,493.50/397,182 = 397,182/x
3. Step 3: Cross multiply
   192,493.50x = 397,182 × 397,182
4. Step 4: Simplify right side
   192,493.50x = 157,753,541,124
5. Step 5: Solve for x
   x = 157,753,541,124/192,493.50
6. Step 6: Final answer
   x = 819,526.59