Finding the Third Proportional to 21,799 and 30,697

Step by Step Solution

1. Step 1: Write the proportion equation
   21,799 : 30,697 = 30,697 : x
2. Step 2: Convert to fraction form
   21,799/30,697 = 30,697/x
3. Step 3: Cross multiply
   21,799x = 30,697 × 30,697
4. Step 4: Simplify right side
   21,799x = 942,305,809
5. Step 5: Solve for x
   x = 942,305,809/21,799
6. Step 6: Final answer
   x = 43,227.02