Finding the Third Proportional to 3,404,458 and 5,278,624

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404,458 : 5,278,624 = 5,278,624 : x
2. Step 2: Convert to fraction form
   3,404,458/5,278,624 = 5,278,624/x
3. Step 3: Cross multiply
   3,404,458x = 5,278,624 × 5,278,624
4. Step 4: Simplify right side
   3,404,458x = 27,863,871,333,376
5. Step 5: Solve for x
   x = 27,863,871,333,376/3,404,458
6. Step 6: Final answer
   x = 8,184,524.92