Finding the Third Proportional to 8,641.69 and 16,230.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.69 : 16,230.38 = 16,230.38 : x
2. Step 2: Convert to fraction form
   8,641.69/16,230.38 = 16,230.38/x
3. Step 3: Cross multiply
   8,641.69x = 16,230.38 × 16,230.38
4. Step 4: Simplify right side
   8,641.69x = 263,425,072.64
5. Step 5: Solve for x
   x = 263,425,072.64/8,641.69
6. Step 6: Final answer
   x = 30,483.06