Finding the Third Proportional to 4,978.50 and 10,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.50 : 10,576.50 = 10,576.50 : x
2. Step 2: Convert to fraction form
   4,978.50/10,576.50 = 10,576.50/x
3. Step 3: Cross multiply
   4,978.50x = 10,576.50 × 10,576.50
4. Step 4: Simplify right side
   4,978.50x = 111,862,352.25
5. Step 5: Solve for x
   x = 111,862,352.25/4,978.50
6. Step 6: Final answer
   x = 22,469.09