Finding the Third Proportional to 1,161.28 and 2,379.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161.28 : 2,379.94 = 2,379.94 : x
2. Step 2: Convert to fraction form
   1,161.28/2,379.94 = 2,379.94/x
3. Step 3: Cross multiply
   1,161.28x = 2,379.94 × 2,379.94
4. Step 4: Simplify right side
   1,161.28x = 5,664,102.50
5. Step 5: Solve for x
   x = 5,664,102.50/1,161.28
6. Step 6: Final answer
   x = 4,877.46