Finding the Third Proportional to 2,667,870 and 3,994,470

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,870 : 3,994,470 = 3,994,470 : x
2. Step 2: Convert to fraction form
   2,667,870/3,994,470 = 3,994,470/x
3. Step 3: Cross multiply
   2,667,870x = 3,994,470 × 3,994,470
4. Step 4: Simplify right side
   2,667,870x = 15,955,790,580,900
5. Step 5: Solve for x
   x = 15,955,790,580,900/2,667,870
6. Step 6: Final answer
   x = 5,980,722.67