Finding the Third Proportional to 109,571.25 and 166,392

Step by Step Solution

1. Step 1: Write the proportion equation
   109,571.25 : 166,392 = 166,392 : x
2. Step 2: Convert to fraction form
   109,571.25/166,392 = 166,392/x
3. Step 3: Cross multiply
   109,571.25x = 166,392 × 166,392
4. Step 4: Simplify right side
   109,571.25x = 27,686,297,664
5. Step 5: Solve for x
   x = 27,686,297,664/109,571.25
6. Step 6: Final answer
   x = 252,678.49