Finding the Third Proportional to 67,869 and 146,144

Step by Step Solution

1. Step 1: Write the proportion equation
   67,869 : 146,144 = 146,144 : x
2. Step 2: Convert to fraction form
   67,869/146,144 = 146,144/x
3. Step 3: Cross multiply
   67,869x = 146,144 × 146,144
4. Step 4: Simplify right side
   67,869x = 21,358,068,736
5. Step 5: Solve for x
   x = 21,358,068,736/67,869
6. Step 6: Final answer
   x = 314,695.50