Finding the Third Proportional to 15,142.50 and 23,243.63

Step by Step Solution

1. Step 1: Write the proportion equation
   15,142.50 : 23,243.63 = 23,243.63 : x
2. Step 2: Convert to fraction form
   15,142.50/23,243.63 = 23,243.63/x
3. Step 3: Cross multiply
   15,142.50x = 23,243.63 × 23,243.63
4. Step 4: Simplify right side
   15,142.50x = 540,266,103.14
5. Step 5: Solve for x
   x = 540,266,103.14/15,142.50
6. Step 6: Final answer
   x = 35,678.79