Finding the Third Proportional to 1,189.69 and 1,745.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189.69 : 1,745.72 = 1,745.72 : x
2. Step 2: Convert to fraction form
   1,189.69/1,745.72 = 1,745.72/x
3. Step 3: Cross multiply
   1,189.69x = 1,745.72 × 1,745.72
4. Step 4: Simplify right side
   1,189.69x = 3,047,533.95
5. Step 5: Solve for x
   x = 3,047,533.95/1,189.69
6. Step 6: Final answer
   x = 2,561.63