Finding the Third Proportional to 5,096.25 and 10,520.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,096.25 : 10,520.25 = 10,520.25 : x
2. Step 2: Convert to fraction form
   5,096.25/10,520.25 = 10,520.25/x
3. Step 3: Cross multiply
   5,096.25x = 10,520.25 × 10,520.25
4. Step 4: Simplify right side
   5,096.25x = 110,675,660.06
5. Step 5: Solve for x
   x = 110,675,660.06/5,096.25
6. Step 6: Final answer
   x = 21,717.08