Finding the Third Proportional to 3,110,738 and 6,469,786

Step by Step Solution

1. Step 1: Write the proportion equation
   3,110,738 : 6,469,786 = 6,469,786 : x
2. Step 2: Convert to fraction form
   3,110,738/6,469,786 = 6,469,786/x
3. Step 3: Cross multiply
   3,110,738x = 6,469,786 × 6,469,786
4. Step 4: Simplify right side
   3,110,738x = 41,858,130,885,796
5. Step 5: Solve for x
   x = 41,858,130,885,796/3,110,738
6. Step 6: Final answer
   x = 13,456,012.97