Finding the Third Proportional to 191,634 and 395,562

Step by Step Solution

1. Step 1: Write the proportion equation
   191,634 : 395,562 = 395,562 : x
2. Step 2: Convert to fraction form
   191,634/395,562 = 395,562/x
3. Step 3: Cross multiply
   191,634x = 395,562 × 395,562
4. Step 4: Simplify right side
   191,634x = 156,469,295,844
5. Step 5: Solve for x
   x = 156,469,295,844/191,634
6. Step 6: Final answer
   x = 816,500.70