Finding the Third Proportional to 3,155.63 and 4,276.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155.63 : 4,276.69 = 4,276.69 : x
2. Step 2: Convert to fraction form
   3,155.63/4,276.69 = 4,276.69/x
3. Step 3: Cross multiply
   3,155.63x = 4,276.69 × 4,276.69
4. Step 4: Simplify right side
   3,155.63x = 18,290,055.97
5. Step 5: Solve for x
   x = 18,290,055.97/3,155.63
6. Step 6: Final answer
   x = 5,796.02