Finding the Third Proportional to 25,860 and 40,020

Step by Step Solution

1. Step 1: Write the proportion equation
   25,860 : 40,020 = 40,020 : x
2. Step 2: Convert to fraction form
   25,860/40,020 = 40,020/x
3. Step 3: Cross multiply
   25,860x = 40,020 × 40,020
4. Step 4: Simplify right side
   25,860x = 1,601,600,400
5. Step 5: Solve for x
   x = 1,601,600,400/25,860
6. Step 6: Final answer
   x = 61,933.50