Finding the Third Proportional to 67,793 and 140,302

Step by Step Solution

1. Step 1: Write the proportion equation
   67,793 : 140,302 = 140,302 : x
2. Step 2: Convert to fraction form
   67,793/140,302 = 140,302/x
3. Step 3: Cross multiply
   67,793x = 140,302 × 140,302
4. Step 4: Simplify right side
   67,793x = 19,684,651,204
5. Step 5: Solve for x
   x = 19,684,651,204/67,793
6. Step 6: Final answer
   x = 290,364.07