Finding the Third Proportional to 67,057.50 and 146,571

Step by Step Solution

1. Step 1: Write the proportion equation
   67,057.50 : 146,571 = 146,571 : x
2. Step 2: Convert to fraction form
   67,057.50/146,571 = 146,571/x
3. Step 3: Cross multiply
   67,057.50x = 146,571 × 146,571
4. Step 4: Simplify right side
   67,057.50x = 21,483,058,041
5. Step 5: Solve for x
   x = 21,483,058,041/67,057.50
6. Step 6: Final answer
   x = 320,367.71