Finding the Third Proportional to 3,150,789 and 6,749,913

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150,789 : 6,749,913 = 6,749,913 : x
2. Step 2: Convert to fraction form
   3,150,789/6,749,913 = 6,749,913/x
3. Step 3: Cross multiply
   3,150,789x = 6,749,913 × 6,749,913
4. Step 4: Simplify right side
   3,150,789x = 45,561,325,507,569
5. Step 5: Solve for x
   x = 45,561,325,507,569/3,150,789
6. Step 6: Final answer
   x = 14,460,290.90