Finding the Third Proportional to 939.09 and 2,055.38

Step by Step Solution

1. Step 1: Write the proportion equation
   939.09 : 2,055.38 = 2,055.38 : x
2. Step 2: Convert to fraction form
   939.09/2,055.38 = 2,055.38/x
3. Step 3: Cross multiply
   939.09x = 2,055.38 × 2,055.38
4. Step 4: Simplify right side
   939.09x = 4,224,566.39
5. Step 5: Solve for x
   x = 4,224,566.39/939.09
6. Step 6: Final answer
   x = 4,498.56