Finding the Third Proportional to 63,981 and 140,058

Step by Step Solution

1. Step 1: Write the proportion equation
   63,981 : 140,058 = 140,058 : x
2. Step 2: Convert to fraction form
   63,981/140,058 = 140,058/x
3. Step 3: Cross multiply
   63,981x = 140,058 × 140,058
4. Step 4: Simplify right side
   63,981x = 19,616,243,364
5. Step 5: Solve for x
   x = 19,616,243,364/63,981
6. Step 6: Final answer
   x = 306,594.82