Finding the Third Proportional to 25,609.13 and 40,173.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,609.13 : 40,173.25 = 40,173.25 : x
2. Step 2: Convert to fraction form
   25,609.13/40,173.25 = 40,173.25/x
3. Step 3: Cross multiply
   25,609.13x = 40,173.25 × 40,173.25
4. Step 4: Simplify right side
   25,609.13x = 1,613,890,015.56
5. Step 5: Solve for x
   x = 1,613,890,015.56/25,609.13
6. Step 6: Final answer
   x = 63,020.12