Finding the Third Proportional to 3,360,918 and 5,165,973

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360,918 : 5,165,973 = 5,165,973 : x
2. Step 2: Convert to fraction form
   3,360,918/5,165,973 = 5,165,973/x
3. Step 3: Cross multiply
   3,360,918x = 5,165,973 × 5,165,973
4. Step 4: Simplify right side
   3,360,918x = 26,687,277,036,729
5. Step 5: Solve for x
   x = 26,687,277,036,729/3,360,918
6. Step 6: Final answer
   x = 7,940,472.52