Finding the Third Proportional to 3,557,168 and 5,325,990

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,168 : 5,325,990 = 5,325,990 : x
2. Step 2: Convert to fraction form
   3,557,168/5,325,990 = 5,325,990/x
3. Step 3: Cross multiply
   3,557,168x = 5,325,990 × 5,325,990
4. Step 4: Simplify right side
   3,557,168x = 28,366,169,480,100
5. Step 5: Solve for x
   x = 28,366,169,480,100/3,557,168
6. Step 6: Final answer
   x = 7,974,368.79