Finding the Third Proportional to 67,267.50 and 142,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,267.50 : 142,735.50 = 142,735.50 : x
2. Step 2: Convert to fraction form
   67,267.50/142,735.50 = 142,735.50/x
3. Step 3: Cross multiply
   67,267.50x = 142,735.50 × 142,735.50
4. Step 4: Simplify right side
   67,267.50x = 20,373,422,960.25
5. Step 5: Solve for x
   x = 20,373,422,960.25/67,267.50
6. Step 6: Final answer
   x = 302,871.71