Finding the Third Proportional to 8,961.25 and 13,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,961.25 : 13,426.50 = 13,426.50 : x
2. Step 2: Convert to fraction form
   8,961.25/13,426.50 = 13,426.50/x
3. Step 3: Cross multiply
   8,961.25x = 13,426.50 × 13,426.50
4. Step 4: Simplify right side
   8,961.25x = 180,270,902.25
5. Step 5: Solve for x
   x = 180,270,902.25/8,961.25
6. Step 6: Final answer
   x = 20,116.71