Finding the Third Proportional to 2,738.81 and 4,392.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.81 : 4,392.98 = 4,392.98 : x
2. Step 2: Convert to fraction form
   2,738.81/4,392.98 = 4,392.98/x
3. Step 3: Cross multiply
   2,738.81x = 4,392.98 × 4,392.98
4. Step 4: Simplify right side
   2,738.81x = 19,298,311.72
5. Step 5: Solve for x
   x = 19,298,311.72/2,738.81
6. Step 6: Final answer
   x = 7,046.23