Finding the Third Proportional to 2,938.78 and 3,743.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.78 : 3,743.72 = 3,743.72 : x
2. Step 2: Convert to fraction form
   2,938.78/3,743.72 = 3,743.72/x
3. Step 3: Cross multiply
   2,938.78x = 3,743.72 × 3,743.72
4. Step 4: Simplify right side
   2,938.78x = 14,015,430.08
5. Step 5: Solve for x
   x = 14,015,430.08/2,938.78
6. Step 6: Final answer
   x = 4,769.13