Finding the Third Proportional to 5,331.38 and 10,662.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,331.38 : 10,662.75 = 10,662.75 : x
2. Step 2: Convert to fraction form
   5,331.38/10,662.75 = 10,662.75/x
3. Step 3: Cross multiply
   5,331.38x = 10,662.75 × 10,662.75
4. Step 4: Simplify right side
   5,331.38x = 113,694,237.56
5. Step 5: Solve for x
   x = 113,694,237.56/5,331.38
6. Step 6: Final answer
   x = 21,325.50