Finding the Third Proportional to 25,728.75 and 54,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,728.75 : 54,913.50 = 54,913.50 : x
2. Step 2: Convert to fraction form
   25,728.75/54,913.50 = 54,913.50/x
3. Step 3: Cross multiply
   25,728.75x = 54,913.50 × 54,913.50
4. Step 4: Simplify right side
   25,728.75x = 3,015,492,482.25
5. Step 5: Solve for x
   x = 3,015,492,482.25/25,728.75
6. Step 6: Final answer
   x = 117,203.23