Finding the Third Proportional to 16,087 and 21,619

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087 : 21,619 = 21,619 : x
2. Step 2: Convert to fraction form
   16,087/21,619 = 21,619/x
3. Step 3: Cross multiply
   16,087x = 21,619 × 21,619
4. Step 4: Simplify right side
   16,087x = 467,381,161
5. Step 5: Solve for x
   x = 467,381,161/16,087
6. Step 6: Final answer
   x = 29,053.34