Finding the Third Proportional to 85,401.75 and 123,027

Step by Step Solution

1. Step 1: Write the proportion equation
   85,401.75 : 123,027 = 123,027 : x
2. Step 2: Convert to fraction form
   85,401.75/123,027 = 123,027/x
3. Step 3: Cross multiply
   85,401.75x = 123,027 × 123,027
4. Step 4: Simplify right side
   85,401.75x = 15,135,642,729
5. Step 5: Solve for x
   x = 15,135,642,729/85,401.75
6. Step 6: Final answer
   x = 177,228.72