Finding the Third Proportional to 81,996 and 123,247

Step by Step Solution

1. Step 1: Write the proportion equation
   81,996 : 123,247 = 123,247 : x
2. Step 2: Convert to fraction form
   81,996/123,247 = 123,247/x
3. Step 3: Cross multiply
   81,996x = 123,247 × 123,247
4. Step 4: Simplify right side
   81,996x = 15,189,823,009
5. Step 5: Solve for x
   x = 15,189,823,009/81,996
6. Step 6: Final answer
   x = 185,250.78