Finding the Third Proportional to 65,795.25 and 144,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,795.25 : 144,709.50 = 144,709.50 : x
2. Step 2: Convert to fraction form
   65,795.25/144,709.50 = 144,709.50/x
3. Step 3: Cross multiply
   65,795.25x = 144,709.50 × 144,709.50
4. Step 4: Simplify right side
   65,795.25x = 20,940,839,390.25
5. Step 5: Solve for x
   x = 20,940,839,390.25/65,795.25
6. Step 6: Final answer
   x = 318,272.81