Finding the Third Proportional to 89,256 and 195,072

Step by Step Solution

1. Step 1: Write the proportion equation
   89,256 : 195,072 = 195,072 : x
2. Step 2: Convert to fraction form
   89,256/195,072 = 195,072/x
3. Step 3: Cross multiply
   89,256x = 195,072 × 195,072
4. Step 4: Simplify right side
   89,256x = 38,053,085,184
5. Step 5: Solve for x
   x = 38,053,085,184/89,256
6. Step 6: Final answer
   x = 426,336.44