Finding the Third Proportional to 15,383.25 and 21,997.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,383.25 : 21,997.69 = 21,997.69 : x
2. Step 2: Convert to fraction form
   15,383.25/21,997.69 = 21,997.69/x
3. Step 3: Cross multiply
   15,383.25x = 21,997.69 × 21,997.69
4. Step 4: Simplify right side
   15,383.25x = 483,898,255.35
5. Step 5: Solve for x
   x = 483,898,255.35/15,383.25
6. Step 6: Final answer
   x = 31,456.18