Finding the Third Proportional to 1,428,916 and 3,082,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,916 : 3,082,189 = 3,082,189 : x
2. Step 2: Convert to fraction form
   1,428,916/3,082,189 = 3,082,189/x
3. Step 3: Cross multiply
   1,428,916x = 3,082,189 × 3,082,189
4. Step 4: Simplify right side
   1,428,916x = 9,499,889,031,721
5. Step 5: Solve for x
   x = 9,499,889,031,721/1,428,916
6. Step 6: Final answer
   x = 6,648,318.75