Finding the Third Proportional to 98,722 and 140,698

Step by Step Solution

1. Step 1: Write the proportion equation
   98,722 : 140,698 = 140,698 : x
2. Step 2: Convert to fraction form
   98,722/140,698 = 140,698/x
3. Step 3: Cross multiply
   98,722x = 140,698 × 140,698
4. Step 4: Simplify right side
   98,722x = 19,795,927,204
5. Step 5: Solve for x
   x = 19,795,927,204/98,722
6. Step 6: Final answer
   x = 200,521.94