Finding the Third Proportional to 1,521,454 and 3,212,671

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,454 : 3,212,671 = 3,212,671 : x
2. Step 2: Convert to fraction form
   1,521,454/3,212,671 = 3,212,671/x
3. Step 3: Cross multiply
   1,521,454x = 3,212,671 × 3,212,671
4. Step 4: Simplify right side
   1,521,454x = 10,321,254,954,241
5. Step 5: Solve for x
   x = 10,321,254,954,241/1,521,454
6. Step 6: Final answer
   x = 6,783,810.06