Finding the Third Proportional to 15,722.25 and 21,363.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,722.25 : 21,363.38 = 21,363.38 : x
2. Step 2: Convert to fraction form
   15,722.25/21,363.38 = 21,363.38/x
3. Step 3: Cross multiply
   15,722.25x = 21,363.38 × 21,363.38
4. Step 4: Simplify right side
   15,722.25x = 456,393,791.39
5. Step 5: Solve for x
   x = 456,393,791.39/15,722.25
6. Step 6: Final answer
   x = 29,028.53