Finding the Third Proportional to 65,896.50 and 144,339

Step by Step Solution

1. Step 1: Write the proportion equation
   65,896.50 : 144,339 = 144,339 : x
2. Step 2: Convert to fraction form
   65,896.50/144,339 = 144,339/x
3. Step 3: Cross multiply
   65,896.50x = 144,339 × 144,339
4. Step 4: Simplify right side
   65,896.50x = 20,833,746,921
5. Step 5: Solve for x
   x = 20,833,746,921/65,896.50
6. Step 6: Final answer
   x = 316,158.63