Finding the Third Proportional to 65,839.50 and 144,171

Step by Step Solution

1. Step 1: Write the proportion equation
   65,839.50 : 144,171 = 144,171 : x
2. Step 2: Convert to fraction form
   65,839.50/144,171 = 144,171/x
3. Step 3: Cross multiply
   65,839.50x = 144,171 × 144,171
4. Step 4: Simplify right side
   65,839.50x = 20,785,277,241
5. Step 5: Solve for x
   x = 20,785,277,241/65,839.50
6. Step 6: Final answer
   x = 315,696.16