Finding the Third Proportional to 2,642.63 and 4,059.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.63 : 4,059.56 = 4,059.56 : x
2. Step 2: Convert to fraction form
   2,642.63/4,059.56 = 4,059.56/x
3. Step 3: Cross multiply
   2,642.63x = 4,059.56 × 4,059.56
4. Step 4: Simplify right side
   2,642.63x = 16,480,047.69
5. Step 5: Solve for x
   x = 16,480,047.69/2,642.63
6. Step 6: Final answer
   x = 6,236.24