Finding the Third Proportional to 2,820.94 and 4,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.94 : 4,384.69 = 4,384.69 : x
2. Step 2: Convert to fraction form
   2,820.94/4,384.69 = 4,384.69/x
3. Step 3: Cross multiply
   2,820.94x = 4,384.69 × 4,384.69
4. Step 4: Simplify right side
   2,820.94x = 19,225,484.47
5. Step 5: Solve for x
   x = 19,225,484.47/2,820.94
6. Step 6: Final answer
   x = 6,815.28