Finding the Third Proportional to 21,042.38 and 45,040.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,042.38 : 45,040.13 = 45,040.13 : x
2. Step 2: Convert to fraction form
   21,042.38/45,040.13 = 45,040.13/x
3. Step 3: Cross multiply
   21,042.38x = 45,040.13 × 45,040.13
4. Step 4: Simplify right side
   21,042.38x = 2,028,612,860.02
5. Step 5: Solve for x
   x = 2,028,612,860.02/21,042.38
6. Step 6: Final answer
   x = 96,406.08