Finding the Third Proportional to 17,559 and 22,200.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,559 : 22,200.75 = 22,200.75 : x
2. Step 2: Convert to fraction form
   17,559/22,200.75 = 22,200.75/x
3. Step 3: Cross multiply
   17,559x = 22,200.75 × 22,200.75
4. Step 4: Simplify right side
   17,559x = 492,873,300.56
5. Step 5: Solve for x
   x = 492,873,300.56/17,559
6. Step 6: Final answer
   x = 28,069.55