Finding the Third Proportional to 1,994.78 and 3,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.78 : 3,019.94 = 3,019.94 : x
2. Step 2: Convert to fraction form
   1,994.78/3,019.94 = 3,019.94/x
3. Step 3: Cross multiply
   1,994.78x = 3,019.94 × 3,019.94
4. Step 4: Simplify right side
   1,994.78x = 9,120,034.30
5. Step 5: Solve for x
   x = 9,120,034.30/1,994.78
6. Step 6: Final answer
   x = 4,571.94