Finding the Third Proportional to 5,116.92 and 10,503.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.92 : 10,503.42 = 10,503.42 : x
2. Step 2: Convert to fraction form
   5,116.92/10,503.42 = 10,503.42/x
3. Step 3: Cross multiply
   5,116.92x = 10,503.42 × 10,503.42
4. Step 4: Simplify right side
   5,116.92x = 110,321,871.08
5. Step 5: Solve for x
   x = 110,321,871.08/5,116.92
6. Step 6: Final answer
   x = 21,560.20