Finding the Third Proportional to 63,669 and 140,049

Step by Step Solution

1. Step 1: Write the proportion equation
   63,669 : 140,049 = 140,049 : x
2. Step 2: Convert to fraction form
   63,669/140,049 = 140,049/x
3. Step 3: Cross multiply
   63,669x = 140,049 × 140,049
4. Step 4: Simplify right side
   63,669x = 19,613,722,401
5. Step 5: Solve for x
   x = 19,613,722,401/63,669
6. Step 6: Final answer
   x = 308,057.65