Finding the Third Proportional to 395,047 and 853,150

Step by Step Solution

1. Step 1: Write the proportion equation
   395,047 : 853,150 = 853,150 : x
2. Step 2: Convert to fraction form
   395,047/853,150 = 853,150/x
3. Step 3: Cross multiply
   395,047x = 853,150 × 853,150
4. Step 4: Simplify right side
   395,047x = 727,864,922,500
5. Step 5: Solve for x
   x = 727,864,922,500/395,047
6. Step 6: Final answer
   x = 1,842,476.77