Finding the Third Proportional to 1,679,616 and 2,262,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,616 : 2,262,816 = 2,262,816 : x
2. Step 2: Convert to fraction form
   1,679,616/2,262,816 = 2,262,816/x
3. Step 3: Cross multiply
   1,679,616x = 2,262,816 × 2,262,816
4. Step 4: Simplify right side
   1,679,616x = 5,120,336,249,856
5. Step 5: Solve for x
   x = 5,120,336,249,856/1,679,616
6. Step 6: Final answer
   x = 3,048,516