Finding the Third Proportional to 9,470.25 and 20,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.25 : 20,578.50 = 20,578.50 : x
2. Step 2: Convert to fraction form
   9,470.25/20,578.50 = 20,578.50/x
3. Step 3: Cross multiply
   9,470.25x = 20,578.50 × 20,578.50
4. Step 4: Simplify right side
   9,470.25x = 423,474,662.25
5. Step 5: Solve for x
   x = 423,474,662.25/9,470.25
6. Step 6: Final answer
   x = 44,716.31