Finding the Third Proportional to 65,766.94 and 144,939.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,766.94 : 144,939.38 = 144,939.38 : x
2. Step 2: Convert to fraction form
   65,766.94/144,939.38 = 144,939.38/x
3. Step 3: Cross multiply
   65,766.94x = 144,939.38 × 144,939.38
4. Step 4: Simplify right side
   65,766.94x = 21,007,422,425.39
5. Step 5: Solve for x
   x = 21,007,422,425.39/65,766.94
6. Step 6: Final answer
   x = 319,422.24