Finding the Third Proportional to 3,478,974 and 5,534,685

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,974 : 5,534,685 = 5,534,685 : x
2. Step 2: Convert to fraction form
   3,478,974/5,534,685 = 5,534,685/x
3. Step 3: Cross multiply
   3,478,974x = 5,534,685 × 5,534,685
4. Step 4: Simplify right side
   3,478,974x = 30,632,738,049,225
5. Step 5: Solve for x
   x = 30,632,738,049,225/3,478,974
6. Step 6: Final answer
   x = 8,805,106.92