Finding the Third Proportional to 67,168.50 and 141,231

Step by Step Solution

1. Step 1: Write the proportion equation
   67,168.50 : 141,231 = 141,231 : x
2. Step 2: Convert to fraction form
   67,168.50/141,231 = 141,231/x
3. Step 3: Cross multiply
   67,168.50x = 141,231 × 141,231
4. Step 4: Simplify right side
   67,168.50x = 19,946,195,361
5. Step 5: Solve for x
   x = 19,946,195,361/67,168.50
6. Step 6: Final answer
   x = 296,957.58