Finding the Third Proportional to 67,293.75 and 145,734

Step by Step Solution

1. Step 1: Write the proportion equation
   67,293.75 : 145,734 = 145,734 : x
2. Step 2: Convert to fraction form
   67,293.75/145,734 = 145,734/x
3. Step 3: Cross multiply
   67,293.75x = 145,734 × 145,734
4. Step 4: Simplify right side
   67,293.75x = 21,238,398,756
5. Step 5: Solve for x
   x = 21,238,398,756/67,293.75
6. Step 6: Final answer
   x = 315,607.30