Finding the Third Proportional to 9,623.25 and 20,679.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.25 : 20,679.38 = 20,679.38 : x
2. Step 2: Convert to fraction form
   9,623.25/20,679.38 = 20,679.38/x
3. Step 3: Cross multiply
   9,623.25x = 20,679.38 × 20,679.38
4. Step 4: Simplify right side
   9,623.25x = 427,636,550.39
5. Step 5: Solve for x
   x = 427,636,550.39/9,623.25
6. Step 6: Final answer
   x = 44,437.85