Finding the Third Proportional to 1,642,456 and 3,511,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,456 : 3,511,898 = 3,511,898 : x
2. Step 2: Convert to fraction form
   1,642,456/3,511,898 = 3,511,898/x
3. Step 3: Cross multiply
   1,642,456x = 3,511,898 × 3,511,898
4. Step 4: Simplify right side
   1,642,456x = 12,333,427,562,404
5. Step 5: Solve for x
   x = 12,333,427,562,404/1,642,456
6. Step 6: Final answer
   x = 7,509,137.27