Finding the Third Proportional to 89,865 and 195,540

Step by Step Solution

1. Step 1: Write the proportion equation
   89,865 : 195,540 = 195,540 : x
2. Step 2: Convert to fraction form
   89,865/195,540 = 195,540/x
3. Step 3: Cross multiply
   89,865x = 195,540 × 195,540
4. Step 4: Simplify right side
   89,865x = 38,235,891,600
5. Step 5: Solve for x
   x = 38,235,891,600/89,865
6. Step 6: Final answer
   x = 425,481.46