Finding the Third Proportional to 123,687 and 191,997

Step by Step Solution

1. Step 1: Write the proportion equation
   123,687 : 191,997 = 191,997 : x
2. Step 2: Convert to fraction form
   123,687/191,997 = 191,997/x
3. Step 3: Cross multiply
   123,687x = 191,997 × 191,997
4. Step 4: Simplify right side
   123,687x = 36,862,848,009
5. Step 5: Solve for x
   x = 36,862,848,009/123,687
6. Step 6: Final answer
   x = 298,033.33