Finding the Third Proportional to 67,942 and 147,530

Step by Step Solution

1. Step 1: Write the proportion equation
   67,942 : 147,530 = 147,530 : x
2. Step 2: Convert to fraction form
   67,942/147,530 = 147,530/x
3. Step 3: Cross multiply
   67,942x = 147,530 × 147,530
4. Step 4: Simplify right side
   67,942x = 21,765,100,900
5. Step 5: Solve for x
   x = 21,765,100,900/67,942
6. Step 6: Final answer
   x = 320,348.25