Finding the Third Proportional to 9,119.25 and 18,870.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.25 : 18,870.38 = 18,870.38 : x
2. Step 2: Convert to fraction form
   9,119.25/18,870.38 = 18,870.38/x
3. Step 3: Cross multiply
   9,119.25x = 18,870.38 × 18,870.38
4. Step 4: Simplify right side
   9,119.25x = 356,091,052.64
5. Step 5: Solve for x
   x = 356,091,052.64/9,119.25
6. Step 6: Final answer
   x = 39,048.28