Finding the Third Proportional to 65,040 and 143,616

Step by Step Solution

1. Step 1: Write the proportion equation
   65,040 : 143,616 = 143,616 : x
2. Step 2: Convert to fraction form
   65,040/143,616 = 143,616/x
3. Step 3: Cross multiply
   65,040x = 143,616 × 143,616
4. Step 4: Simplify right side
   65,040x = 20,625,555,456
5. Step 5: Solve for x
   x = 20,625,555,456/65,040
6. Step 6: Final answer
   x = 317,121.09