Finding the Third Proportional to 63,744 and 143,520

Step by Step Solution

1. Step 1: Write the proportion equation
   63,744 : 143,520 = 143,520 : x
2. Step 2: Convert to fraction form
   63,744/143,520 = 143,520/x
3. Step 3: Cross multiply
   63,744x = 143,520 × 143,520
4. Step 4: Simplify right side
   63,744x = 20,597,990,400
5. Step 5: Solve for x
   x = 20,597,990,400/63,744
6. Step 6: Final answer
   x = 323,136.14