Finding the Third Proportional to 20,168.25 and 28,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,168.25 : 28,210.50 = 28,210.50 : x
2. Step 2: Convert to fraction form
   20,168.25/28,210.50 = 28,210.50/x
3. Step 3: Cross multiply
   20,168.25x = 28,210.50 × 28,210.50
4. Step 4: Simplify right side
   20,168.25x = 795,832,310.25
5. Step 5: Solve for x
   x = 795,832,310.25/20,168.25
6. Step 6: Final answer
   x = 39,459.66