Finding the Third Proportional to 89,032.50 and 195,561

Step by Step Solution

1. Step 1: Write the proportion equation
   89,032.50 : 195,561 = 195,561 : x
2. Step 2: Convert to fraction form
   89,032.50/195,561 = 195,561/x
3. Step 3: Cross multiply
   89,032.50x = 195,561 × 195,561
4. Step 4: Simplify right side
   89,032.50x = 38,244,104,721
5. Step 5: Solve for x
   x = 38,244,104,721/89,032.50
6. Step 6: Final answer
   x = 429,552.18