Finding the Third Proportional to 2,021.25 and 3,039.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.25 : 3,039.38 = 3,039.38 : x
2. Step 2: Convert to fraction form
   2,021.25/3,039.38 = 3,039.38/x
3. Step 3: Cross multiply
   2,021.25x = 3,039.38 × 3,039.38
4. Step 4: Simplify right side
   2,021.25x = 9,237,800.39
5. Step 5: Solve for x
   x = 9,237,800.39/2,021.25
6. Step 6: Final answer
   x = 4,570.34