Finding the Third Proportional to 9,609.50 and 20,901.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609.50 : 20,901.88 = 20,901.88 : x
2. Step 2: Convert to fraction form
   9,609.50/20,901.88 = 20,901.88/x
3. Step 3: Cross multiply
   9,609.50x = 20,901.88 × 20,901.88
4. Step 4: Simplify right side
   9,609.50x = 436,888,378.52
5. Step 5: Solve for x
   x = 436,888,378.52/9,609.50
6. Step 6: Final answer
   x = 45,464.22