Finding the Third Proportional to 4,890.38 and 10,661.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,890.38 : 10,661.63 = 10,661.63 : x
2. Step 2: Convert to fraction form
   4,890.38/10,661.63 = 10,661.63/x
3. Step 3: Cross multiply
   4,890.38x = 10,661.63 × 10,661.63
4. Step 4: Simplify right side
   4,890.38x = 113,670,247.64
5. Step 5: Solve for x
   x = 113,670,247.64/4,890.38
6. Step 6: Final answer
   x = 23,243.67