Finding the Third Proportional to 3,994,956 and 6,178,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,956 : 6,178,878 = 6,178,878 : x
2. Step 2: Convert to fraction form
   3,994,956/6,178,878 = 6,178,878/x
3. Step 3: Cross multiply
   3,994,956x = 6,178,878 × 6,178,878
4. Step 4: Simplify right side
   3,994,956x = 38,178,533,338,884
5. Step 5: Solve for x
   x = 38,178,533,338,884/3,994,956
6. Step 6: Final answer
   x = 9,556,684.31