Finding the Third Proportional to 7,142.34 and 10,681.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142.34 : 10,681.88 = 10,681.88 : x
2. Step 2: Convert to fraction form
   7,142.34/10,681.88 = 10,681.88/x
3. Step 3: Cross multiply
   7,142.34x = 10,681.88 × 10,681.88
4. Step 4: Simplify right side
   7,142.34x = 114,102,453.52
5. Step 5: Solve for x
   x = 114,102,453.52/7,142.34
6. Step 6: Final answer
   x = 15,975.49