Finding the Third Proportional to 25,440 and 39,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,440 : 39,389.25 = 39,389.25 : x
2. Step 2: Convert to fraction form
   25,440/39,389.25 = 39,389.25/x
3. Step 3: Cross multiply
   25,440x = 39,389.25 × 39,389.25
4. Step 4: Simplify right side
   25,440x = 1,551,513,015.56
5. Step 5: Solve for x
   x = 1,551,513,015.56/25,440
6. Step 6: Final answer
   x = 60,987.15