Finding the Third Proportional to 17,240 and 19,028

Step by Step Solution

1. Step 1: Write the proportion equation
   17,240 : 19,028 = 19,028 : x
2. Step 2: Convert to fraction form
   17,240/19,028 = 19,028/x
3. Step 3: Cross multiply
   17,240x = 19,028 × 19,028
4. Step 4: Simplify right side
   17,240x = 362,064,784
5. Step 5: Solve for x
   x = 362,064,784/17,240
6. Step 6: Final answer
   x = 21,001.44