Finding the Third Proportional to 2,116,636 and 3,179,723

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,636 : 3,179,723 = 3,179,723 : x
2. Step 2: Convert to fraction form
   2,116,636/3,179,723 = 3,179,723/x
3. Step 3: Cross multiply
   2,116,636x = 3,179,723 × 3,179,723
4. Step 4: Simplify right side
   2,116,636x = 10,110,638,356,729
5. Step 5: Solve for x
   x = 10,110,638,356,729/2,116,636
6. Step 6: Final answer
   x = 4,776,748.75