Finding the Third Proportional to 65,785.50 and 144,693

Step by Step Solution

1. Step 1: Write the proportion equation
   65,785.50 : 144,693 = 144,693 : x
2. Step 2: Convert to fraction form
   65,785.50/144,693 = 144,693/x
3. Step 3: Cross multiply
   65,785.50x = 144,693 × 144,693
4. Step 4: Simplify right side
   65,785.50x = 20,936,064,249
5. Step 5: Solve for x
   x = 20,936,064,249/65,785.50
6. Step 6: Final answer
   x = 318,247.40