Finding the Third Proportional to 12,272 and 16,712

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272 : 16,712 = 16,712 : x
2. Step 2: Convert to fraction form
   12,272/16,712 = 16,712/x
3. Step 3: Cross multiply
   12,272x = 16,712 × 16,712
4. Step 4: Simplify right side
   12,272x = 279,290,944
5. Step 5: Solve for x
   x = 279,290,944/12,272
6. Step 6: Final answer
   x = 22,758.39