Finding the Third Proportional to 1,615,194 and 3,397,707

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,194 : 3,397,707 = 3,397,707 : x
2. Step 2: Convert to fraction form
   1,615,194/3,397,707 = 3,397,707/x
3. Step 3: Cross multiply
   1,615,194x = 3,397,707 × 3,397,707
4. Step 4: Simplify right side
   1,615,194x = 11,544,412,857,849
5. Step 5: Solve for x
   x = 11,544,412,857,849/1,615,194
6. Step 6: Final answer
   x = 7,147,384.68