Finding the Third Proportional to 2,409,420 and 3,212,136

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409,420 : 3,212,136 = 3,212,136 : x
2. Step 2: Convert to fraction form
   2,409,420/3,212,136 = 3,212,136/x
3. Step 3: Cross multiply
   2,409,420x = 3,212,136 × 3,212,136
4. Step 4: Simplify right side
   2,409,420x = 10,317,817,682,496
5. Step 5: Solve for x
   x = 10,317,817,682,496/2,409,420
6. Step 6: Final answer
   x = 4,282,282.74