Finding the Third Proportional to 1,289.63 and 2,367.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289.63 : 2,367.75 = 2,367.75 : x
2. Step 2: Convert to fraction form
   1,289.63/2,367.75 = 2,367.75/x
3. Step 3: Cross multiply
   1,289.63x = 2,367.75 × 2,367.75
4. Step 4: Simplify right side
   1,289.63x = 5,606,240.06
5. Step 5: Solve for x
   x = 5,606,240.06/1,289.63
6. Step 6: Final answer
   x = 4,347.19