Finding the Third Proportional to 2,672 and 7,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672 : 7,216 = 7,216 : x
2. Step 2: Convert to fraction form
   2,672/7,216 = 7,216/x
3. Step 3: Cross multiply
   2,672x = 7,216 × 7,216
4. Step 4: Simplify right side
   2,672x = 52,070,656
5. Step 5: Solve for x
   x = 52,070,656/2,672
6. Step 6: Final answer
   x = 19,487.52