Finding the Third Proportional to 777,048 and 1,690,824

Step by Step Solution

1. Step 1: Write the proportion equation
   777,048 : 1,690,824 = 1,690,824 : x
2. Step 2: Convert to fraction form
   777,048/1,690,824 = 1,690,824/x
3. Step 3: Cross multiply
   777,048x = 1,690,824 × 1,690,824
4. Step 4: Simplify right side
   777,048x = 2,858,885,798,976
5. Step 5: Solve for x
   x = 2,858,885,798,976/777,048
6. Step 6: Final answer
   x = 3,679,162.42