Finding the Third Proportional to 3,535,413 and 5,405,847

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535,413 : 5,405,847 = 5,405,847 : x
2. Step 2: Convert to fraction form
   3,535,413/5,405,847 = 5,405,847/x
3. Step 3: Cross multiply
   3,535,413x = 5,405,847 × 5,405,847
4. Step 4: Simplify right side
   3,535,413x = 29,223,181,787,409
5. Step 5: Solve for x
   x = 29,223,181,787,409/3,535,413
6. Step 6: Final answer
   x = 8,265,846.67