Finding the Third Proportional to 5,126.50 and 10,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,126.50 : 10,860.50 = 10,860.50 : x
2. Step 2: Convert to fraction form
   5,126.50/10,860.50 = 10,860.50/x
3. Step 3: Cross multiply
   5,126.50x = 10,860.50 × 10,860.50
4. Step 4: Simplify right side
   5,126.50x = 117,950,460.25
5. Step 5: Solve for x
   x = 117,950,460.25/5,126.50
6. Step 6: Final answer
   x = 23,007.99