Finding the Third Proportional to 21,021.75 and 31,593.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,021.75 : 31,593.38 = 31,593.38 : x
2. Step 2: Convert to fraction form
   21,021.75/31,593.38 = 31,593.38/x
3. Step 3: Cross multiply
   21,021.75x = 31,593.38 × 31,593.38
4. Step 4: Simplify right side
   21,021.75x = 998,141,343.89
5. Step 5: Solve for x
   x = 998,141,343.89/21,021.75
6. Step 6: Final answer
   x = 47,481.36