Finding the Third Proportional to 2,455,482 and 5,356,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455,482 : 5,356,990 = 5,356,990 : x
2. Step 2: Convert to fraction form
   2,455,482/5,356,990 = 5,356,990/x
3. Step 3: Cross multiply
   2,455,482x = 5,356,990 × 5,356,990
4. Step 4: Simplify right side
   2,455,482x = 28,697,341,860,100
5. Step 5: Solve for x
   x = 28,697,341,860,100/2,455,482
6. Step 6: Final answer
   x = 11,687,050.39