Finding the Third Proportional to 63,759 and 140,099

Step by Step Solution

1. Step 1: Write the proportion equation
   63,759 : 140,099 = 140,099 : x
2. Step 2: Convert to fraction form
   63,759/140,099 = 140,099/x
3. Step 3: Cross multiply
   63,759x = 140,099 × 140,099
4. Step 4: Simplify right side
   63,759x = 19,627,729,801
5. Step 5: Solve for x
   x = 19,627,729,801/63,759
6. Step 6: Final answer
   x = 307,842.50