Finding the Third Proportional to 3,307,958 and 7,122,788

Step by Step Solution

1. Step 1: Write the proportion equation
   3,307,958 : 7,122,788 = 7,122,788 : x
2. Step 2: Convert to fraction form
   3,307,958/7,122,788 = 7,122,788/x
3. Step 3: Cross multiply
   3,307,958x = 7,122,788 × 7,122,788
4. Step 4: Simplify right side
   3,307,958x = 50,734,108,892,944
5. Step 5: Solve for x
   x = 50,734,108,892,944/3,307,958
6. Step 6: Final answer
   x = 15,336,987.02