Finding the Third Proportional to 192,921.50 and 415,474

Step by Step Solution

1. Step 1: Write the proportion equation
   192,921.50 : 415,474 = 415,474 : x
2. Step 2: Convert to fraction form
   192,921.50/415,474 = 415,474/x
3. Step 3: Cross multiply
   192,921.50x = 415,474 × 415,474
4. Step 4: Simplify right side
   192,921.50x = 172,618,644,676
5. Step 5: Solve for x
   x = 172,618,644,676/192,921.50
6. Step 6: Final answer
   x = 894,761.05