Finding the Third Proportional to 54,659.25 and 80,025.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,659.25 : 80,025.75 = 80,025.75 : x
2. Step 2: Convert to fraction form
   54,659.25/80,025.75 = 80,025.75/x
3. Step 3: Cross multiply
   54,659.25x = 80,025.75 × 80,025.75
4. Step 4: Simplify right side
   54,659.25x = 6,404,120,663.06
5. Step 5: Solve for x
   x = 6,404,120,663.06/54,659.25
6. Step 6: Final answer
   x = 117,164.44