Finding the Third Proportional to 21,022 and 30,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,022 : 30,723.50 = 30,723.50 : x
2. Step 2: Convert to fraction form
   21,022/30,723.50 = 30,723.50/x
3. Step 3: Cross multiply
   21,022x = 30,723.50 × 30,723.50
4. Step 4: Simplify right side
   21,022x = 943,933,452.25
5. Step 5: Solve for x
   x = 943,933,452.25/21,022
6. Step 6: Final answer
   x = 44,902.17