Finding the Third Proportional to 5,419,138 and 7,979,008

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419,138 : 7,979,008 = 7,979,008 : x
2. Step 2: Convert to fraction form
   5,419,138/7,979,008 = 7,979,008/x
3. Step 3: Cross multiply
   5,419,138x = 7,979,008 × 7,979,008
4. Step 4: Simplify right side
   5,419,138x = 63,664,568,664,064
5. Step 5: Solve for x
   x = 63,664,568,664,064/5,419,138
6. Step 6: Final answer
   x = 11,748,098.81