Finding the Third Proportional to 2,557.31 and 3,751.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.31 : 3,751.88 = 3,751.88 : x
2. Step 2: Convert to fraction form
   2,557.31/3,751.88 = 3,751.88/x
3. Step 3: Cross multiply
   2,557.31x = 3,751.88 × 3,751.88
4. Step 4: Simplify right side
   2,557.31x = 14,076,566.02
5. Step 5: Solve for x
   x = 14,076,566.02/2,557.31
6. Step 6: Final answer
   x = 5,504.44