Finding the Third Proportional to 17,139.09 and 19,629.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.09 : 19,629.84 = 19,629.84 : x
2. Step 2: Convert to fraction form
   17,139.09/19,629.84 = 19,629.84/x
3. Step 3: Cross multiply
   17,139.09x = 19,629.84 × 19,629.84
4. Step 4: Simplify right side
   17,139.09x = 385,330,765.65
5. Step 5: Solve for x
   x = 385,330,765.65/17,139.09
6. Step 6: Final answer
   x = 22,482.56