Finding the Third Proportional to 63,944 and 140,578

Step by Step Solution

1. Step 1: Write the proportion equation
   63,944 : 140,578 = 140,578 : x
2. Step 2: Convert to fraction form
   63,944/140,578 = 140,578/x
3. Step 3: Cross multiply
   63,944x = 140,578 × 140,578
4. Step 4: Simplify right side
   63,944x = 19,762,174,084
5. Step 5: Solve for x
   x = 19,762,174,084/63,944
6. Step 6: Final answer
   x = 309,054.39