Finding the Third Proportional to 2,855.81 and 4,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,855.81 : 4,364.72 = 4,364.72 : x
2. Step 2: Convert to fraction form
   2,855.81/4,364.72 = 4,364.72/x
3. Step 3: Cross multiply
   2,855.81x = 4,364.72 × 4,364.72
4. Step 4: Simplify right side
   2,855.81x = 19,050,769.77
5. Step 5: Solve for x
   x = 19,050,769.77/2,855.81
6. Step 6: Final answer
   x = 6,670.88