Finding the Third Proportional to 1,328,418 and 2,114,807

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,418 : 2,114,807 = 2,114,807 : x
2. Step 2: Convert to fraction form
   1,328,418/2,114,807 = 2,114,807/x
3. Step 3: Cross multiply
   1,328,418x = 2,114,807 × 2,114,807
4. Step 4: Simplify right side
   1,328,418x = 4,472,408,647,249
5. Step 5: Solve for x
   x = 4,472,408,647,249/1,328,418
6. Step 6: Final answer
   x = 3,366,717.89