Finding the Third Proportional to 2,120,902 and 3,212,241

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,902 : 3,212,241 = 3,212,241 : x
2. Step 2: Convert to fraction form
   2,120,902/3,212,241 = 3,212,241/x
3. Step 3: Cross multiply
   2,120,902x = 3,212,241 × 3,212,241
4. Step 4: Simplify right side
   2,120,902x = 10,318,492,242,081
5. Step 5: Solve for x
   x = 10,318,492,242,081/2,120,902
6. Step 6: Final answer
   x = 4,865,143.34