Finding the Third Proportional to 9,021.94 and 19,683.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.94 : 19,683.38 = 19,683.38 : x
2. Step 2: Convert to fraction form
   9,021.94/19,683.38 = 19,683.38/x
3. Step 3: Cross multiply
   9,021.94x = 19,683.38 × 19,683.38
4. Step 4: Simplify right side
   9,021.94x = 387,435,251.39
5. Step 5: Solve for x
   x = 387,435,251.39/9,021.94
6. Step 6: Final answer
   x = 42,943.69