Finding the Third Proportional to 2,021.38 and 3,039.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.38 : 3,039.56 = 3,039.56 : x
2. Step 2: Convert to fraction form
   2,021.38/3,039.56 = 3,039.56/x
3. Step 3: Cross multiply
   2,021.38x = 3,039.56 × 3,039.56
4. Step 4: Simplify right side
   2,021.38x = 9,238,940.19
5. Step 5: Solve for x
   x = 9,238,940.19/2,021.38
6. Step 6: Final answer
   x = 4,570.62