Finding the Third Proportional to 2,873.81 and 4,328.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.81 : 4,328.16 = 4,328.16 : x
2. Step 2: Convert to fraction form
   2,873.81/4,328.16 = 4,328.16/x
3. Step 3: Cross multiply
   2,873.81x = 4,328.16 × 4,328.16
4. Step 4: Simplify right side
   2,873.81x = 18,732,936.52
5. Step 5: Solve for x
   x = 18,732,936.52/2,873.81
6. Step 6: Final answer
   x = 6,518.50