Finding the Third Proportional to 67,584 and 143,912

Step by Step Solution

1. Step 1: Write the proportion equation
   67,584 : 143,912 = 143,912 : x
2. Step 2: Convert to fraction form
   67,584/143,912 = 143,912/x
3. Step 3: Cross multiply
   67,584x = 143,912 × 143,912
4. Step 4: Simplify right side
   67,584x = 20,710,663,744
5. Step 5: Solve for x
   x = 20,710,663,744/67,584
6. Step 6: Final answer
   x = 306,443.30