Finding the Third Proportional to 5,493,828 and 8,081,945

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493,828 : 8,081,945 = 8,081,945 : x
2. Step 2: Convert to fraction form
   5,493,828/8,081,945 = 8,081,945/x
3. Step 3: Cross multiply
   5,493,828x = 8,081,945 × 8,081,945
4. Step 4: Simplify right side
   5,493,828x = 65,317,834,983,025
5. Step 5: Solve for x
   x = 65,317,834,983,025/5,493,828
6. Step 6: Final answer
   x = 11,889,311.97