Finding the Third Proportional to 779,856 and 1,708,656

Step by Step Solution

1. Step 1: Write the proportion equation
   779,856 : 1,708,656 = 1,708,656 : x
2. Step 2: Convert to fraction form
   779,856/1,708,656 = 1,708,656/x
3. Step 3: Cross multiply
   779,856x = 1,708,656 × 1,708,656
4. Step 4: Simplify right side
   779,856x = 2,919,505,326,336
5. Step 5: Solve for x
   x = 2,919,505,326,336/779,856
6. Step 6: Final answer
   x = 3,743,646.68