Finding the Third Proportional to 20,571.75 and 30,722.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,571.75 : 30,722.25 = 30,722.25 : x
2. Step 2: Convert to fraction form
   20,571.75/30,722.25 = 30,722.25/x
3. Step 3: Cross multiply
   20,571.75x = 30,722.25 × 30,722.25
4. Step 4: Simplify right side
   20,571.75x = 943,856,645.06
5. Step 5: Solve for x
   x = 943,856,645.06/20,571.75
6. Step 6: Final answer
   x = 45,881.20