Finding the Third Proportional to 20,945.81 and 45,171.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,945.81 : 45,171.94 = 45,171.94 : x
2. Step 2: Convert to fraction form
   20,945.81/45,171.94 = 45,171.94/x
3. Step 3: Cross multiply
   20,945.81x = 45,171.94 × 45,171.94
4. Step 4: Simplify right side
   20,945.81x = 2,040,503,937.50
5. Step 5: Solve for x
   x = 2,040,503,937.50/20,945.81
6. Step 6: Final answer
   x = 97,418.23