Finding the Third Proportional to 13,243.50 and 18,903.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,243.50 : 18,903.38 = 18,903.38 : x
2. Step 2: Convert to fraction form
   13,243.50/18,903.38 = 18,903.38/x
3. Step 3: Cross multiply
   13,243.50x = 18,903.38 × 18,903.38
4. Step 4: Simplify right side
   13,243.50x = 357,337,586.39
5. Step 5: Solve for x
   x = 357,337,586.39/13,243.50
6. Step 6: Final answer
   x = 26,982.11