Finding the Third Proportional to 3,451,974 and 5,177,961

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,974 : 5,177,961 = 5,177,961 : x
2. Step 2: Convert to fraction form
   3,451,974/5,177,961 = 5,177,961/x
3. Step 3: Cross multiply
   3,451,974x = 5,177,961 × 5,177,961
4. Step 4: Simplify right side
   3,451,974x = 26,811,280,117,521
5. Step 5: Solve for x
   x = 26,811,280,117,521/3,451,974
6. Step 6: Final answer
   x = 7,766,941.50