Finding the Third Proportional to 267,754.50 and 394,227

Step by Step Solution

1. Step 1: Write the proportion equation
   267,754.50 : 394,227 = 394,227 : x
2. Step 2: Convert to fraction form
   267,754.50/394,227 = 394,227/x
3. Step 3: Cross multiply
   267,754.50x = 394,227 × 394,227
4. Step 4: Simplify right side
   267,754.50x = 155,414,927,529
5. Step 5: Solve for x
   x = 155,414,927,529/267,754.50
6. Step 6: Final answer
   x = 580,438.15