Finding the Third Proportional to 16,100.44 and 21,690.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.44 : 21,690.28 = 21,690.28 : x
2. Step 2: Convert to fraction form
   16,100.44/21,690.28 = 21,690.28/x
3. Step 3: Cross multiply
   16,100.44x = 21,690.28 × 21,690.28
4. Step 4: Simplify right side
   16,100.44x = 470,468,300.70
5. Step 5: Solve for x
   x = 470,468,300.70/16,100.44
6. Step 6: Final answer
   x = 29,220.84