Finding the Third Proportional to 89,798 and 140,867

Step by Step Solution

1. Step 1: Write the proportion equation
   89,798 : 140,867 = 140,867 : x
2. Step 2: Convert to fraction form
   89,798/140,867 = 140,867/x
3. Step 3: Cross multiply
   89,798x = 140,867 × 140,867
4. Step 4: Simplify right side
   89,798x = 19,843,511,689
5. Step 5: Solve for x
   x = 19,843,511,689/89,798
6. Step 6: Final answer
   x = 220,979.44