Finding the Third Proportional to 2,122,742 and 4,442,260

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,742 : 4,442,260 = 4,442,260 : x
2. Step 2: Convert to fraction form
   2,122,742/4,442,260 = 4,442,260/x
3. Step 3: Cross multiply
   2,122,742x = 4,442,260 × 4,442,260
4. Step 4: Simplify right side
   2,122,742x = 19,733,673,907,600
5. Step 5: Solve for x
   x = 19,733,673,907,600/2,122,742
6. Step 6: Final answer
   x = 9,296,312.93