Finding the Third Proportional to 11,468 and 15,490

Step by Step Solution

1. Step 1: Write the proportion equation
   11,468 : 15,490 = 15,490 : x
2. Step 2: Convert to fraction form
   11,468/15,490 = 15,490/x
3. Step 3: Cross multiply
   11,468x = 15,490 × 15,490
4. Step 4: Simplify right side
   11,468x = 239,940,100
5. Step 5: Solve for x
   x = 239,940,100/11,468
6. Step 6: Final answer
   x = 20,922.58