Finding the Third Proportional to 9,622.50 and 20,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.50 : 20,986.50 = 20,986.50 : x
2. Step 2: Convert to fraction form
   9,622.50/20,986.50 = 20,986.50/x
3. Step 3: Cross multiply
   9,622.50x = 20,986.50 × 20,986.50
4. Step 4: Simplify right side
   9,622.50x = 440,433,182.25
5. Step 5: Solve for x
   x = 440,433,182.25/9,622.50
6. Step 6: Final answer
   x = 45,771.18