Finding the Third Proportional to 9,145.13 and 19,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.13 : 19,019.25 = 19,019.25 : x
2. Step 2: Convert to fraction form
   9,145.13/19,019.25 = 19,019.25/x
3. Step 3: Cross multiply
   9,145.13x = 19,019.25 × 19,019.25
4. Step 4: Simplify right side
   9,145.13x = 361,731,870.56
5. Step 5: Solve for x
   x = 361,731,870.56/9,145.13
6. Step 6: Final answer
   x = 39,554.61