Finding the Third Proportional to 1,479.38 and 3,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.38 : 3,189.31 = 3,189.31 : x
2. Step 2: Convert to fraction form
   1,479.38/3,189.31 = 3,189.31/x
3. Step 3: Cross multiply
   1,479.38x = 3,189.31 × 3,189.31
4. Step 4: Simplify right side
   1,479.38x = 10,171,714.22
5. Step 5: Solve for x
   x = 10,171,714.22/1,479.38
6. Step 6: Final answer
   x = 6,875.68