Finding the Third Proportional to 10,131.75 and 13,537.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.75 : 13,537.13 = 13,537.13 : x
2. Step 2: Convert to fraction form
   10,131.75/13,537.13 = 13,537.13/x
3. Step 3: Cross multiply
   10,131.75x = 13,537.13 × 13,537.13
4. Step 4: Simplify right side
   10,131.75x = 183,253,753.27
5. Step 5: Solve for x
   x = 183,253,753.27/10,131.75
6. Step 6: Final answer
   x = 18,087.08