Finding the Third Proportional to 2,396,998 and 5,135,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,396,998 : 5,135,172 = 5,135,172 : x
2. Step 2: Convert to fraction form
   2,396,998/5,135,172 = 5,135,172/x
3. Step 3: Cross multiply
   2,396,998x = 5,135,172 × 5,135,172
4. Step 4: Simplify right side
   2,396,998x = 26,369,991,469,584
5. Step 5: Solve for x
   x = 26,369,991,469,584/2,396,998
6. Step 6: Final answer
   x = 11,001,257.18