Finding the Third Proportional to 4,475.25 and 9,662.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,475.25 : 9,662.63 = 9,662.63 : x
2. Step 2: Convert to fraction form
   4,475.25/9,662.63 = 9,662.63/x
3. Step 3: Cross multiply
   4,475.25x = 9,662.63 × 9,662.63
4. Step 4: Simplify right side
   4,475.25x = 93,366,321.89
5. Step 5: Solve for x
   x = 93,366,321.89/4,475.25
6. Step 6: Final answer
   x = 20,862.82