Finding the Third Proportional to 15,959.25 and 21,468.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,959.25 : 21,468.38 = 21,468.38 : x
2. Step 2: Convert to fraction form
   15,959.25/21,468.38 = 21,468.38/x
3. Step 3: Cross multiply
   15,959.25x = 21,468.38 × 21,468.38
4. Step 4: Simplify right side
   15,959.25x = 460,891,125.14
5. Step 5: Solve for x
   x = 460,891,125.14/15,959.25
6. Step 6: Final answer
   x = 28,879.25