Finding the Third Proportional to 4,485.94 and 9,822.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,485.94 : 9,822.38 = 9,822.38 : x
2. Step 2: Convert to fraction form
   4,485.94/9,822.38 = 9,822.38/x
3. Step 3: Cross multiply
   4,485.94x = 9,822.38 × 9,822.38
4. Step 4: Simplify right side
   4,485.94x = 96,479,050.64
5. Step 5: Solve for x
   x = 96,479,050.64/4,485.94
6. Step 6: Final answer
   x = 21,507.00