Finding the Third Proportional to 65,920 and 144,944

Step by Step Solution

1. Step 1: Write the proportion equation
   65,920 : 144,944 = 144,944 : x
2. Step 2: Convert to fraction form
   65,920/144,944 = 144,944/x
3. Step 3: Cross multiply
   65,920x = 144,944 × 144,944
4. Step 4: Simplify right side
   65,920x = 21,008,763,136
5. Step 5: Solve for x
   x = 21,008,763,136/65,920
6. Step 6: Final answer
   x = 318,700.90