Finding the Third Proportional to 267,614 and 394,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,614 : 394,028.50 = 394,028.50 : x
2. Step 2: Convert to fraction form
   267,614/394,028.50 = 394,028.50/x
3. Step 3: Cross multiply
   267,614x = 394,028.50 × 394,028.50
4. Step 4: Simplify right side
   267,614x = 155,258,458,812.25
5. Step 5: Solve for x
   x = 155,258,458,812.25/267,614
6. Step 6: Final answer
   x = 580,158.21