Finding the Third Proportional to 11,017.58 and 22,621.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.58 : 22,621.78 = 22,621.78 : x
2. Step 2: Convert to fraction form
   11,017.58/22,621.78 = 22,621.78/x
3. Step 3: Cross multiply
   11,017.58x = 22,621.78 × 22,621.78
4. Step 4: Simplify right side
   11,017.58x = 511,744,986.92
5. Step 5: Solve for x
   x = 511,744,986.92/11,017.58
6. Step 6: Final answer
   x = 46,448.03