Finding the Third Proportional to 5,116.50 and 10,113.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.50 : 10,113.19 = 10,113.19 : x
2. Step 2: Convert to fraction form
   5,116.50/10,113.19 = 10,113.19/x
3. Step 3: Cross multiply
   5,116.50x = 10,113.19 × 10,113.19
4. Step 4: Simplify right side
   5,116.50x = 102,276,561.41
5. Step 5: Solve for x
   x = 102,276,561.41/5,116.50
6. Step 6: Final answer
   x = 19,989.56