Finding the Third Proportional to 1,002.38 and 2,278.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.38 : 2,278.13 = 2,278.13 : x
2. Step 2: Convert to fraction form
   1,002.38/2,278.13 = 2,278.13/x
3. Step 3: Cross multiply
   1,002.38x = 2,278.13 × 2,278.13
4. Step 4: Simplify right side
   1,002.38x = 5,189,853.52
5. Step 5: Solve for x
   x = 5,189,853.52/1,002.38
6. Step 6: Final answer
   x = 5,177.56