Finding the Third Proportional to 1,477,682 and 3,191,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,682 : 3,191,128 = 3,191,128 : x
2. Step 2: Convert to fraction form
   1,477,682/3,191,128 = 3,191,128/x
3. Step 3: Cross multiply
   1,477,682x = 3,191,128 × 3,191,128
4. Step 4: Simplify right side
   1,477,682x = 10,183,297,912,384
5. Step 5: Solve for x
   x = 10,183,297,912,384/1,477,682
6. Step 6: Final answer
   x = 6,891,400.12