Finding the Third Proportional to 17,077.50 and 20,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,077.50 : 20,155.50 = 20,155.50 : x
2. Step 2: Convert to fraction form
   17,077.50/20,155.50 = 20,155.50/x
3. Step 3: Cross multiply
   17,077.50x = 20,155.50 × 20,155.50
4. Step 4: Simplify right side
   17,077.50x = 406,244,180.25
5. Step 5: Solve for x
   x = 406,244,180.25/17,077.50
6. Step 6: Final answer
   x = 23,788.27