Finding the Third Proportional to 1,008,214 and 2,215,201

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,214 : 2,215,201 = 2,215,201 : x
2. Step 2: Convert to fraction form
   1,008,214/2,215,201 = 2,215,201/x
3. Step 3: Cross multiply
   1,008,214x = 2,215,201 × 2,215,201
4. Step 4: Simplify right side
   1,008,214x = 4,907,115,470,401
5. Step 5: Solve for x
   x = 4,907,115,470,401/1,008,214
6. Step 6: Final answer
   x = 4,867,136.81