Finding the Third Proportional to 10,169.25 and 20,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,169.25 : 20,965.50 = 20,965.50 : x
2. Step 2: Convert to fraction form
   10,169.25/20,965.50 = 20,965.50/x
3. Step 3: Cross multiply
   10,169.25x = 20,965.50 × 20,965.50
4. Step 4: Simplify right side
   10,169.25x = 439,552,190.25
5. Step 5: Solve for x
   x = 439,552,190.25/10,169.25
6. Step 6: Final answer
   x = 43,223.66