Finding the Third Proportional to 1,397,819 and 3,057,349

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,819 : 3,057,349 = 3,057,349 : x
2. Step 2: Convert to fraction form
   1,397,819/3,057,349 = 3,057,349/x
3. Step 3: Cross multiply
   1,397,819x = 3,057,349 × 3,057,349
4. Step 4: Simplify right side
   1,397,819x = 9,347,382,907,801
5. Step 5: Solve for x
   x = 9,347,382,907,801/1,397,819
6. Step 6: Final answer
   x = 6,687,119.65