Finding the Third Proportional to 3,421,980 and 5,297,994

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,980 : 5,297,994 = 5,297,994 : x
2. Step 2: Convert to fraction form
   3,421,980/5,297,994 = 5,297,994/x
3. Step 3: Cross multiply
   3,421,980x = 5,297,994 × 5,297,994
4. Step 4: Simplify right side
   3,421,980x = 28,068,740,424,036
5. Step 5: Solve for x
   x = 28,068,740,424,036/3,421,980
6. Step 6: Final answer
   x = 8,202,485.23