Finding the Third Proportional to 1,546,311 and 3,198,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546,311 : 3,198,687 = 3,198,687 : x
2. Step 2: Convert to fraction form
   1,546,311/3,198,687 = 3,198,687/x
3. Step 3: Cross multiply
   1,546,311x = 3,198,687 × 3,198,687
4. Step 4: Simplify right side
   1,546,311x = 10,231,598,523,969
5. Step 5: Solve for x
   x = 10,231,598,523,969/1,546,311
6. Step 6: Final answer
   x = 6,616,779.24