Finding the Third Proportional to 4,250.25 and 9,390.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,250.25 : 9,390.38 = 9,390.38 : x
2. Step 2: Convert to fraction form
   4,250.25/9,390.38 = 9,390.38/x
3. Step 3: Cross multiply
   4,250.25x = 9,390.38 × 9,390.38
4. Step 4: Simplify right side
   4,250.25x = 88,179,142.64
5. Step 5: Solve for x
   x = 88,179,142.64/4,250.25
6. Step 6: Final answer
   x = 20,746.81