Finding the Third Proportional to 3,455,096 and 5,407,686

Step by Step Solution

1. Step 1: Write the proportion equation
   3,455,096 : 5,407,686 = 5,407,686 : x
2. Step 2: Convert to fraction form
   3,455,096/5,407,686 = 5,407,686/x
3. Step 3: Cross multiply
   3,455,096x = 5,407,686 × 5,407,686
4. Step 4: Simplify right side
   3,455,096x = 29,243,067,874,596
5. Step 5: Solve for x
   x = 29,243,067,874,596/3,455,096
6. Step 6: Final answer
   x = 8,463,749.74