Finding the Third Proportional to 67,946 and 144,640

Step by Step Solution

1. Step 1: Write the proportion equation
   67,946 : 144,640 = 144,640 : x
2. Step 2: Convert to fraction form
   67,946/144,640 = 144,640/x
3. Step 3: Cross multiply
   67,946x = 144,640 × 144,640
4. Step 4: Simplify right side
   67,946x = 20,920,729,600
5. Step 5: Solve for x
   x = 20,920,729,600/67,946
6. Step 6: Final answer
   x = 307,902.30