Finding the Third Proportional to 67,068 and 144,585

Step by Step Solution

1. Step 1: Write the proportion equation
   67,068 : 144,585 = 144,585 : x
2. Step 2: Convert to fraction form
   67,068/144,585 = 144,585/x
3. Step 3: Cross multiply
   67,068x = 144,585 × 144,585
4. Step 4: Simplify right side
   67,068x = 20,904,822,225
5. Step 5: Solve for x
   x = 20,904,822,225/67,068
6. Step 6: Final answer
   x = 311,695.92