Finding the Third Proportional to 2,659,671 and 4,212,170

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,671 : 4,212,170 = 4,212,170 : x
2. Step 2: Convert to fraction form
   2,659,671/4,212,170 = 4,212,170/x
3. Step 3: Cross multiply
   2,659,671x = 4,212,170 × 4,212,170
4. Step 4: Simplify right side
   2,659,671x = 17,742,376,108,900
5. Step 5: Solve for x
   x = 17,742,376,108,900/2,659,671
6. Step 6: Final answer
   x = 6,670,891.29