Finding the Third Proportional to 9,757.25 and 21,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.25 : 21,074.50 = 21,074.50 : x
2. Step 2: Convert to fraction form
   9,757.25/21,074.50 = 21,074.50/x
3. Step 3: Cross multiply
   9,757.25x = 21,074.50 × 21,074.50
4. Step 4: Simplify right side
   9,757.25x = 444,134,550.25
5. Step 5: Solve for x
   x = 444,134,550.25/9,757.25
6. Step 6: Final answer
   x = 45,518.41