Finding the Third Proportional to 2,171,970 and 3,285,981

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,970 : 3,285,981 = 3,285,981 : x
2. Step 2: Convert to fraction form
   2,171,970/3,285,981 = 3,285,981/x
3. Step 3: Cross multiply
   2,171,970x = 3,285,981 × 3,285,981
4. Step 4: Simplify right side
   2,171,970x = 10,797,671,132,361
5. Step 5: Solve for x
   x = 10,797,671,132,361/2,171,970
6. Step 6: Final answer
   x = 4,971,372.13