Finding the Third Proportional to 2,561.63 and 3,786.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.63 : 3,786.75 = 3,786.75 : x
2. Step 2: Convert to fraction form
   2,561.63/3,786.75 = 3,786.75/x
3. Step 3: Cross multiply
   2,561.63x = 3,786.75 × 3,786.75
4. Step 4: Simplify right side
   2,561.63x = 14,339,475.56
5. Step 5: Solve for x
   x = 14,339,475.56/2,561.63
6. Step 6: Final answer
   x = 5,597.80