Finding the Third Proportional to 1,477,838 and 3,176,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,838 : 3,176,689 = 3,176,689 : x
2. Step 2: Convert to fraction form
   1,477,838/3,176,689 = 3,176,689/x
3. Step 3: Cross multiply
   1,477,838x = 3,176,689 × 3,176,689
4. Step 4: Simplify right side
   1,477,838x = 10,091,353,002,721
5. Step 5: Solve for x
   x = 10,091,353,002,721/1,477,838
6. Step 6: Final answer
   x = 6,828,456.84