Finding the Third Proportional to 63,936 and 140,274

Step by Step Solution

1. Step 1: Write the proportion equation
   63,936 : 140,274 = 140,274 : x
2. Step 2: Convert to fraction form
   63,936/140,274 = 140,274/x
3. Step 3: Cross multiply
   63,936x = 140,274 × 140,274
4. Step 4: Simplify right side
   63,936x = 19,676,795,076
5. Step 5: Solve for x
   x = 19,676,795,076/63,936
6. Step 6: Final answer
   x = 307,757.68