Finding the Third Proportional to 1,236,648 and 2,684,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,648 : 2,684,796 = 2,684,796 : x
2. Step 2: Convert to fraction form
   1,236,648/2,684,796 = 2,684,796/x
3. Step 3: Cross multiply
   1,236,648x = 2,684,796 × 2,684,796
4. Step 4: Simplify right side
   1,236,648x = 7,208,129,561,616
5. Step 5: Solve for x
   x = 7,208,129,561,616/1,236,648
6. Step 6: Final answer
   x = 5,828,764.18