Finding the Third Proportional to 1,005,180 and 2,167,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,180 : 2,167,812 = 2,167,812 : x
2. Step 2: Convert to fraction form
   1,005,180/2,167,812 = 2,167,812/x
3. Step 3: Cross multiply
   1,005,180x = 2,167,812 × 2,167,812
4. Step 4: Simplify right side
   1,005,180x = 4,699,408,867,344
5. Step 5: Solve for x
   x = 4,699,408,867,344/1,005,180
6. Step 6: Final answer
   x = 4,675,191.38