Finding the Third Proportional to 5,113.13 and 10,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113.13 : 10,552.50 = 10,552.50 : x
2. Step 2: Convert to fraction form
   5,113.13/10,552.50 = 10,552.50/x
3. Step 3: Cross multiply
   5,113.13x = 10,552.50 × 10,552.50
4. Step 4: Simplify right side
   5,113.13x = 111,355,256.25
5. Step 5: Solve for x
   x = 111,355,256.25/5,113.13
6. Step 6: Final answer
   x = 21,778.32