Finding the Third Proportional to 98,718 and 140,692

Step by Step Solution

1. Step 1: Write the proportion equation
   98,718 : 140,692 = 140,692 : x
2. Step 2: Convert to fraction form
   98,718/140,692 = 140,692/x
3. Step 3: Cross multiply
   98,718x = 140,692 × 140,692
4. Step 4: Simplify right side
   98,718x = 19,794,238,864
5. Step 5: Solve for x
   x = 19,794,238,864/98,718
6. Step 6: Final answer
   x = 200,512.96