Finding the Third Proportional to 67,270.50 and 142,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,270.50 : 142,741.50 = 142,741.50 : x
2. Step 2: Convert to fraction form
   67,270.50/142,741.50 = 142,741.50/x
3. Step 3: Cross multiply
   67,270.50x = 142,741.50 × 142,741.50
4. Step 4: Simplify right side
   67,270.50x = 20,375,135,822.25
5. Step 5: Solve for x
   x = 20,375,135,822.25/67,270.50
6. Step 6: Final answer
   x = 302,883.67