Finding the Third Proportional to 395,514 and 819,066.38

Step by Step Solution

1. Step 1: Write the proportion equation
   395,514 : 819,066.38 = 819,066.38 : x
2. Step 2: Convert to fraction form
   395,514/819,066.38 = 819,066.38/x
3. Step 3: Cross multiply
   395,514x = 819,066.38 × 819,066.38
4. Step 4: Simplify right side
   395,514x = 670,869,726,655.64
5. Step 5: Solve for x
   x = 670,869,726,655.64/395,514
6. Step 6: Final answer
   x = 1,696,197.17