Finding the Third Proportional to 65,512.50 and 143,016

Step by Step Solution

1. Step 1: Write the proportion equation
   65,512.50 : 143,016 = 143,016 : x
2. Step 2: Convert to fraction form
   65,512.50/143,016 = 143,016/x
3. Step 3: Cross multiply
   65,512.50x = 143,016 × 143,016
4. Step 4: Simplify right side
   65,512.50x = 20,453,576,256
5. Step 5: Solve for x
   x = 20,453,576,256/65,512.50
6. Step 6: Final answer
   x = 312,208.76