Finding the Third Proportional to 67,881 and 149,144

Step by Step Solution

1. Step 1: Write the proportion equation
   67,881 : 149,144 = 149,144 : x
2. Step 2: Convert to fraction form
   67,881/149,144 = 149,144/x
3. Step 3: Cross multiply
   67,881x = 149,144 × 149,144
4. Step 4: Simplify right side
   67,881x = 22,243,932,736
5. Step 5: Solve for x
   x = 22,243,932,736/67,881
6. Step 6: Final answer
   x = 327,690.12