Finding the Third Proportional to 63,883.69 and 140,616

Step by Step Solution

1. Step 1: Write the proportion equation
   63,883.69 : 140,616 = 140,616 : x
2. Step 2: Convert to fraction form
   63,883.69/140,616 = 140,616/x
3. Step 3: Cross multiply
   63,883.69x = 140,616 × 140,616
4. Step 4: Simplify right side
   63,883.69x = 19,772,859,456
5. Step 5: Solve for x
   x = 19,772,859,456/63,883.69
6. Step 6: Final answer
   x = 309,513.43