Finding the Third Proportional to 7,221 and 12,732

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221 : 12,732 = 12,732 : x
2. Step 2: Convert to fraction form
   7,221/12,732 = 12,732/x
3. Step 3: Cross multiply
   7,221x = 12,732 × 12,732
4. Step 4: Simplify right side
   7,221x = 162,103,824
5. Step 5: Solve for x
   x = 162,103,824/7,221
6. Step 6: Final answer
   x = 22,448.94