Finding the Third Proportional to 89,928 and 195,723

Step by Step Solution

1. Step 1: Write the proportion equation
   89,928 : 195,723 = 195,723 : x
2. Step 2: Convert to fraction form
   89,928/195,723 = 195,723/x
3. Step 3: Cross multiply
   89,928x = 195,723 × 195,723
4. Step 4: Simplify right side
   89,928x = 38,307,492,729
5. Step 5: Solve for x
   x = 38,307,492,729/89,928
6. Step 6: Final answer
   x = 425,979.59