Finding the Third Proportional to 2,409,156 and 3,211,812

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409,156 : 3,211,812 = 3,211,812 : x
2. Step 2: Convert to fraction form
   2,409,156/3,211,812 = 3,211,812/x
3. Step 3: Cross multiply
   2,409,156x = 3,211,812 × 3,211,812
4. Step 4: Simplify right side
   2,409,156x = 10,315,736,323,344
5. Step 5: Solve for x
   x = 10,315,736,323,344/2,409,156
6. Step 6: Final answer
   x = 4,281,888.07