Finding the Third Proportional to 11,215.13 and 23,158.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,215.13 : 23,158.69 = 23,158.69 : x
2. Step 2: Convert to fraction form
   11,215.13/23,158.69 = 23,158.69/x
3. Step 3: Cross multiply
   11,215.13x = 23,158.69 × 23,158.69
4. Step 4: Simplify right side
   11,215.13x = 536,324,806.72
5. Step 5: Solve for x
   x = 536,324,806.72/11,215.13
6. Step 6: Final answer
   x = 47,821.56