Finding the Third Proportional to 2,377.38 and 3,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.38 : 3,155.25 = 3,155.25 : x
2. Step 2: Convert to fraction form
   2,377.38/3,155.25 = 3,155.25/x
3. Step 3: Cross multiply
   2,377.38x = 3,155.25 × 3,155.25
4. Step 4: Simplify right side
   2,377.38x = 9,955,602.56
5. Step 5: Solve for x
   x = 9,955,602.56/2,377.38
6. Step 6: Final answer
   x = 4,187.65