Finding the Third Proportional to 9,605 and 19,975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605 : 19,975.50 = 19,975.50 : x
2. Step 2: Convert to fraction form
   9,605/19,975.50 = 19,975.50/x
3. Step 3: Cross multiply
   9,605x = 19,975.50 × 19,975.50
4. Step 4: Simplify right side
   9,605x = 399,020,600.25
5. Step 5: Solve for x
   x = 399,020,600.25/9,605
6. Step 6: Final answer
   x = 41,543.01