Finding the Third Proportional to 65,693.16 and 144,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693.16 : 144,103.31 = 144,103.31 : x
2. Step 2: Convert to fraction form
   65,693.16/144,103.31 = 144,103.31/x
3. Step 3: Cross multiply
   65,693.16x = 144,103.31 × 144,103.31
4. Step 4: Simplify right side
   65,693.16x = 20,765,764,673.47
5. Step 5: Solve for x
   x = 20,765,764,673.47/65,693.16
6. Step 6: Final answer
   x = 316,102.40