Finding the Third Proportional to 9,943.50 and 13,456.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.50 : 13,456.25 = 13,456.25 : x
2. Step 2: Convert to fraction form
   9,943.50/13,456.25 = 13,456.25/x
3. Step 3: Cross multiply
   9,943.50x = 13,456.25 × 13,456.25
4. Step 4: Simplify right side
   9,943.50x = 181,070,664.06
5. Step 5: Solve for x
   x = 181,070,664.06/9,943.50
6. Step 6: Final answer
   x = 18,209.95