Finding the Third Proportional to 89,646.50 and 195,065

Step by Step Solution

1. Step 1: Write the proportion equation
   89,646.50 : 195,065 = 195,065 : x
2. Step 2: Convert to fraction form
   89,646.50/195,065 = 195,065/x
3. Step 3: Cross multiply
   89,646.50x = 195,065 × 195,065
4. Step 4: Simplify right side
   89,646.50x = 38,050,354,225
5. Step 5: Solve for x
   x = 38,050,354,225/89,646.50
6. Step 6: Final answer
   x = 424,448.85