Finding the Third Proportional to 1,610,178 and 3,290,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610,178 : 3,290,268 = 3,290,268 : x
2. Step 2: Convert to fraction form
   1,610,178/3,290,268 = 3,290,268/x
3. Step 3: Cross multiply
   1,610,178x = 3,290,268 × 3,290,268
4. Step 4: Simplify right side
   1,610,178x = 10,825,863,511,824
5. Step 5: Solve for x
   x = 10,825,863,511,824/1,610,178
6. Step 6: Final answer
   x = 6,723,395.50