Finding the Third Proportional to 2,170,212 and 3,195,356

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,212 : 3,195,356 = 3,195,356 : x
2. Step 2: Convert to fraction form
   2,170,212/3,195,356 = 3,195,356/x
3. Step 3: Cross multiply
   2,170,212x = 3,195,356 × 3,195,356
4. Step 4: Simplify right side
   2,170,212x = 10,210,299,966,736
5. Step 5: Solve for x
   x = 10,210,299,966,736/2,170,212
6. Step 6: Final answer
   x = 4,704,747.72