Finding the Third Proportional to 16,513.88 and 22,120.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.88 : 22,120.59 = 22,120.59 : x
2. Step 2: Convert to fraction form
   16,513.88/22,120.59 = 22,120.59/x
3. Step 3: Cross multiply
   16,513.88x = 22,120.59 × 22,120.59
4. Step 4: Simplify right side
   16,513.88x = 489,320,667.85
5. Step 5: Solve for x
   x = 489,320,667.85/16,513.88
6. Step 6: Final answer
   x = 29,630.88