Finding the Third Proportional to 21,040.38 and 45,845.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,040.38 : 45,845.37 = 45,845.37 : x
2. Step 2: Convert to fraction form
   21,040.38/45,845.37 = 45,845.37/x
3. Step 3: Cross multiply
   21,040.38x = 45,845.37 × 45,845.37
4. Step 4: Simplify right side
   21,040.38x = 2,101,797,692.56
5. Step 5: Solve for x
   x = 2,101,797,692.56/21,040.38
6. Step 6: Final answer
   x = 99,893.51