Finding the Third Proportional to 89,532 and 191,355

Step by Step Solution

1. Step 1: Write the proportion equation
   89,532 : 191,355 = 191,355 : x
2. Step 2: Convert to fraction form
   89,532/191,355 = 191,355/x
3. Step 3: Cross multiply
   89,532x = 191,355 × 191,355
4. Step 4: Simplify right side
   89,532x = 36,616,736,025
5. Step 5: Solve for x
   x = 36,616,736,025/89,532
6. Step 6: Final answer
   x = 408,979.31