Finding the Third Proportional to 2,396,660 and 5,216,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,396,660 : 5,216,536 = 5,216,536 : x
2. Step 2: Convert to fraction form
   2,396,660/5,216,536 = 5,216,536/x
3. Step 3: Cross multiply
   2,396,660x = 5,216,536 × 5,216,536
4. Step 4: Simplify right side
   2,396,660x = 27,212,247,839,296
5. Step 5: Solve for x
   x = 27,212,247,839,296/2,396,660
6. Step 6: Final answer
   x = 11,354,237.91