Finding the Third Proportional to 9,524.81 and 20,638.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,524.81 : 20,638.69 = 20,638.69 : x
2. Step 2: Convert to fraction form
   9,524.81/20,638.69 = 20,638.69/x
3. Step 3: Cross multiply
   9,524.81x = 20,638.69 × 20,638.69
4. Step 4: Simplify right side
   9,524.81x = 425,955,421.72
5. Step 5: Solve for x
   x = 425,955,421.72/9,524.81
6. Step 6: Final answer
   x = 44,720.61