Finding the Third Proportional to 890 and 2,079.38

Step by Step Solution

1. Step 1: Write the proportion equation
   890 : 2,079.38 = 2,079.38 : x
2. Step 2: Convert to fraction form
   890/2,079.38 = 2,079.38/x
3. Step 3: Cross multiply
   890x = 2,079.38 × 2,079.38
4. Step 4: Simplify right side
   890x = 4,323,800.39
5. Step 5: Solve for x
   x = 4,323,800.39/890
6. Step 6: Final answer
   x = 4,858.20