Finding the Third Proportional to 25,809 and 54,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,809 : 54,719.25 = 54,719.25 : x
2. Step 2: Convert to fraction form
   25,809/54,719.25 = 54,719.25/x
3. Step 3: Cross multiply
   25,809x = 54,719.25 × 54,719.25
4. Step 4: Simplify right side
   25,809x = 2,994,196,320.56
5. Step 5: Solve for x
   x = 2,994,196,320.56/25,809
6. Step 6: Final answer
   x = 116,013.65