Finding the Third Proportional to 20,122 and 30,723

Step by Step Solution

1. Step 1: Write the proportion equation
   20,122 : 30,723 = 30,723 : x
2. Step 2: Convert to fraction form
   20,122/30,723 = 30,723/x
3. Step 3: Cross multiply
   20,122x = 30,723 × 30,723
4. Step 4: Simplify right side
   20,122x = 943,902,729
5. Step 5: Solve for x
   x = 943,902,729/20,122
6. Step 6: Final answer
   x = 46,908.99