Finding the Third Proportional to 9,288.38 and 20,091.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.38 : 20,091.69 = 20,091.69 : x
2. Step 2: Convert to fraction form
   9,288.38/20,091.69 = 20,091.69/x
3. Step 3: Cross multiply
   9,288.38x = 20,091.69 × 20,091.69
4. Step 4: Simplify right side
   9,288.38x = 403,675,906.60
5. Step 5: Solve for x
   x = 403,675,906.60/9,288.38
6. Step 6: Final answer
   x = 43,460.34