Finding the Third Proportional to 2,120,914 and 3,212,259

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,914 : 3,212,259 = 3,212,259 : x
2. Step 2: Convert to fraction form
   2,120,914/3,212,259 = 3,212,259/x
3. Step 3: Cross multiply
   2,120,914x = 3,212,259 × 3,212,259
4. Step 4: Simplify right side
   2,120,914x = 10,318,607,883,081
5. Step 5: Solve for x
   x = 10,318,607,883,081/2,120,914
6. Step 6: Final answer
   x = 4,865,170.34