Finding the Third Proportional to 67,479 and 144,301

Step by Step Solution

1. Step 1: Write the proportion equation
   67,479 : 144,301 = 144,301 : x
2. Step 2: Convert to fraction form
   67,479/144,301 = 144,301/x
3. Step 3: Cross multiply
   67,479x = 144,301 × 144,301
4. Step 4: Simplify right side
   67,479x = 20,822,778,601
5. Step 5: Solve for x
   x = 20,822,778,601/67,479
6. Step 6: Final answer
   x = 308,581.61