Finding the Third Proportional to 13,216 and 17,619

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216 : 17,619 = 17,619 : x
2. Step 2: Convert to fraction form
   13,216/17,619 = 17,619/x
3. Step 3: Cross multiply
   13,216x = 17,619 × 17,619
4. Step 4: Simplify right side
   13,216x = 310,429,161
5. Step 5: Solve for x
   x = 310,429,161/13,216
6. Step 6: Final answer
   x = 23,488.89