Finding the Third Proportional to 2,212,631 and 3,417,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,631 : 3,417,210 = 3,417,210 : x
2. Step 2: Convert to fraction form
   2,212,631/3,417,210 = 3,417,210/x
3. Step 3: Cross multiply
   2,212,631x = 3,417,210 × 3,417,210
4. Step 4: Simplify right side
   2,212,631x = 11,677,324,184,100
5. Step 5: Solve for x
   x = 11,677,324,184,100/2,212,631
6. Step 6: Final answer
   x = 5,277,574.16