Finding the Third Proportional to 11,320 and 17,828

Step by Step Solution

1. Step 1: Write the proportion equation
   11,320 : 17,828 = 17,828 : x
2. Step 2: Convert to fraction form
   11,320/17,828 = 17,828/x
3. Step 3: Cross multiply
   11,320x = 17,828 × 17,828
4. Step 4: Simplify right side
   11,320x = 317,837,584
5. Step 5: Solve for x
   x = 317,837,584/11,320
6. Step 6: Final answer
   x = 28,077.53