Finding the Third Proportional to 67,144 and 146,277

Step by Step Solution

1. Step 1: Write the proportion equation
   67,144 : 146,277 = 146,277 : x
2. Step 2: Convert to fraction form
   67,144/146,277 = 146,277/x
3. Step 3: Cross multiply
   67,144x = 146,277 × 146,277
4. Step 4: Simplify right side
   67,144x = 21,396,960,729
5. Step 5: Solve for x
   x = 21,396,960,729/67,144
6. Step 6: Final answer
   x = 318,672.71