Finding the Third Proportional to 67,222.50 and 146,757

Step by Step Solution

1. Step 1: Write the proportion equation
   67,222.50 : 146,757 = 146,757 : x
2. Step 2: Convert to fraction form
   67,222.50/146,757 = 146,757/x
3. Step 3: Cross multiply
   67,222.50x = 146,757 × 146,757
4. Step 4: Simplify right side
   67,222.50x = 21,537,617,049
5. Step 5: Solve for x
   x = 21,537,617,049/67,222.50
6. Step 6: Final answer
   x = 320,392.98