Finding the Third Proportional to 5,149,738 and 7,790,874

Step by Step Solution

1. Step 1: Write the proportion equation
   5,149,738 : 7,790,874 = 7,790,874 : x
2. Step 2: Convert to fraction form
   5,149,738/7,790,874 = 7,790,874/x
3. Step 3: Cross multiply
   5,149,738x = 7,790,874 × 7,790,874
4. Step 4: Simplify right side
   5,149,738x = 60,697,717,683,876
5. Step 5: Solve for x
   x = 60,697,717,683,876/5,149,738
6. Step 6: Final answer
   x = 11,786,564.23