Finding the Third Proportional to 67,613 and 144,276

Step by Step Solution

1. Step 1: Write the proportion equation
   67,613 : 144,276 = 144,276 : x
2. Step 2: Convert to fraction form
   67,613/144,276 = 144,276/x
3. Step 3: Cross multiply
   67,613x = 144,276 × 144,276
4. Step 4: Simplify right side
   67,613x = 20,815,564,176
5. Step 5: Solve for x
   x = 20,815,564,176/67,613
6. Step 6: Final answer
   x = 307,863.34