Finding the Third Proportional to 67,216.50 and 146,745

Step by Step Solution

1. Step 1: Write the proportion equation
   67,216.50 : 146,745 = 146,745 : x
2. Step 2: Convert to fraction form
   67,216.50/146,745 = 146,745/x
3. Step 3: Cross multiply
   67,216.50x = 146,745 × 146,745
4. Step 4: Simplify right side
   67,216.50x = 21,534,095,025
5. Step 5: Solve for x
   x = 21,534,095,025/67,216.50
6. Step 6: Final answer
   x = 320,369.18