Finding the Third Proportional to 2,020.50 and 4,421.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.50 : 4,421.25 = 4,421.25 : x
2. Step 2: Convert to fraction form
   2,020.50/4,421.25 = 4,421.25/x
3. Step 3: Cross multiply
   2,020.50x = 4,421.25 × 4,421.25
4. Step 4: Simplify right side
   2,020.50x = 19,547,451.56
5. Step 5: Solve for x
   x = 19,547,451.56/2,020.50
6. Step 6: Final answer
   x = 9,674.56