Finding the Third Proportional to 356,949 and 779,010

Step by Step Solution

1. Step 1: Write the proportion equation
   356,949 : 779,010 = 779,010 : x
2. Step 2: Convert to fraction form
   356,949/779,010 = 779,010/x
3. Step 3: Cross multiply
   356,949x = 779,010 × 779,010
4. Step 4: Simplify right side
   356,949x = 606,856,580,100
5. Step 5: Solve for x
   x = 606,856,580,100/356,949
6. Step 6: Final answer
   x = 1,700,121.25