Finding the Third Proportional to 67,993.50 and 149,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,993.50 : 149,578.50 = 149,578.50 : x
2. Step 2: Convert to fraction form
   67,993.50/149,578.50 = 149,578.50/x
3. Step 3: Cross multiply
   67,993.50x = 149,578.50 × 149,578.50
4. Step 4: Simplify right side
   67,993.50x = 22,373,727,662.25
5. Step 5: Solve for x
   x = 22,373,727,662.25/67,993.50
6. Step 6: Final answer
   x = 329,056.86