Finding the Third Proportional to 89,797 and 140,865

Step by Step Solution

1. Step 1: Write the proportion equation
   89,797 : 140,865 = 140,865 : x
2. Step 2: Convert to fraction form
   89,797/140,865 = 140,865/x
3. Step 3: Cross multiply
   89,797x = 140,865 × 140,865
4. Step 4: Simplify right side
   89,797x = 19,842,948,225
5. Step 5: Solve for x
   x = 19,842,948,225/89,797
6. Step 6: Final answer
   x = 220,975.63