Finding the Third Proportional to 25,640 and 56,104

Step by Step Solution

1. Step 1: Write the proportion equation
   25,640 : 56,104 = 56,104 : x
2. Step 2: Convert to fraction form
   25,640/56,104 = 56,104/x
3. Step 3: Cross multiply
   25,640x = 56,104 × 56,104
4. Step 4: Simplify right side
   25,640x = 3,147,658,816
5. Step 5: Solve for x
   x = 3,147,658,816/25,640
6. Step 6: Final answer
   x = 122,763.60