Finding the Third Proportional to 762,816 and 1,677,976

Step by Step Solution

1. Step 1: Write the proportion equation
   762,816 : 1,677,976 = 1,677,976 : x
2. Step 2: Convert to fraction form
   762,816/1,677,976 = 1,677,976/x
3. Step 3: Cross multiply
   762,816x = 1,677,976 × 1,677,976
4. Step 4: Simplify right side
   762,816x = 2,815,603,456,576
5. Step 5: Solve for x
   x = 2,815,603,456,576/762,816
6. Step 6: Final answer
   x = 3,691,065.02