Finding the Third Proportional to 1,921,646 and 2,947,593

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921,646 : 2,947,593 = 2,947,593 : x
2. Step 2: Convert to fraction form
   1,921,646/2,947,593 = 2,947,593/x
3. Step 3: Cross multiply
   1,921,646x = 2,947,593 × 2,947,593
4. Step 4: Simplify right side
   1,921,646x = 8,688,304,493,649
5. Step 5: Solve for x
   x = 8,688,304,493,649/1,921,646
6. Step 6: Final answer
   x = 4,521,282.53