Finding the Third Proportional to 11,145.94 and 23,216.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,145.94 : 23,216.63 = 23,216.63 : x
2. Step 2: Convert to fraction form
   11,145.94/23,216.63 = 23,216.63/x
3. Step 3: Cross multiply
   11,145.94x = 23,216.63 × 23,216.63
4. Step 4: Simplify right side
   11,145.94x = 539,011,676.39
5. Step 5: Solve for x
   x = 539,011,676.39/11,145.94
6. Step 6: Final answer
   x = 48,359.47