Finding the Third Proportional to 20,945.25 and 45,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,945.25 : 45,171.50 = 45,171.50 : x
2. Step 2: Convert to fraction form
   20,945.25/45,171.50 = 45,171.50/x
3. Step 3: Cross multiply
   20,945.25x = 45,171.50 × 45,171.50
4. Step 4: Simplify right side
   20,945.25x = 2,040,464,412.25
5. Step 5: Solve for x
   x = 2,040,464,412.25/20,945.25
6. Step 6: Final answer
   x = 97,418.96