Finding the Third Proportional to 89,736 and 195,240

Step by Step Solution

1. Step 1: Write the proportion equation
   89,736 : 195,240 = 195,240 : x
2. Step 2: Convert to fraction form
   89,736/195,240 = 195,240/x
3. Step 3: Cross multiply
   89,736x = 195,240 × 195,240
4. Step 4: Simplify right side
   89,736x = 38,118,657,600
5. Step 5: Solve for x
   x = 38,118,657,600/89,736
6. Step 6: Final answer
   x = 424,786.68