Finding the Third Proportional to 2,212,742 and 4,827,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,742 : 4,827,612 = 4,827,612 : x
2. Step 2: Convert to fraction form
   2,212,742/4,827,612 = 4,827,612/x
3. Step 3: Cross multiply
   2,212,742x = 4,827,612 × 4,827,612
4. Step 4: Simplify right side
   2,212,742x = 23,305,837,622,544
5. Step 5: Solve for x
   x = 23,305,837,622,544/2,212,742
6. Step 6: Final answer
   x = 10,532,559.88