Finding the Third Proportional to 10,085.50 and 13,481

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.50 : 13,481 = 13,481 : x
2. Step 2: Convert to fraction form
   10,085.50/13,481 = 13,481/x
3. Step 3: Cross multiply
   10,085.50x = 13,481 × 13,481
4. Step 4: Simplify right side
   10,085.50x = 181,737,361
5. Step 5: Solve for x
   x = 181,737,361/10,085.50
6. Step 6: Final answer
   x = 18,019.67