Finding the Third Proportional to 89,316 and 195,372

Step by Step Solution

1. Step 1: Write the proportion equation
   89,316 : 195,372 = 195,372 : x
2. Step 2: Convert to fraction form
   89,316/195,372 = 195,372/x
3. Step 3: Cross multiply
   89,316x = 195,372 × 195,372
4. Step 4: Simplify right side
   89,316x = 38,170,218,384
5. Step 5: Solve for x
   x = 38,170,218,384/89,316
6. Step 6: Final answer
   x = 427,361.48