Finding the Third Proportional to 13,040 and 17,488

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040 : 17,488 = 17,488 : x
2. Step 2: Convert to fraction form
   13,040/17,488 = 17,488/x
3. Step 3: Cross multiply
   13,040x = 17,488 × 17,488
4. Step 4: Simplify right side
   13,040x = 305,830,144
5. Step 5: Solve for x
   x = 305,830,144/13,040
6. Step 6: Final answer
   x = 23,453.23