Finding the Third Proportional to 191,997 and 418,932

Step by Step Solution

1. Step 1: Write the proportion equation
   191,997 : 418,932 = 418,932 : x
2. Step 2: Convert to fraction form
   191,997/418,932 = 418,932/x
3. Step 3: Cross multiply
   191,997x = 418,932 × 418,932
4. Step 4: Simplify right side
   191,997x = 175,504,020,624
5. Step 5: Solve for x
   x = 175,504,020,624/191,997
6. Step 6: Final answer
   x = 914,097.72