Finding the Third Proportional to 21,105.40 and 33,907.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,105.40 : 33,907.04 = 33,907.04 : x
2. Step 2: Convert to fraction form
   21,105.40/33,907.04 = 33,907.04/x
3. Step 3: Cross multiply
   21,105.40x = 33,907.04 × 33,907.04
4. Step 4: Simplify right side
   21,105.40x = 1,149,687,562.88
5. Step 5: Solve for x
   x = 1,149,687,562.88/21,105.40
6. Step 6: Final answer
   x = 54,473.61