Finding the Third Proportional to 892.69 and 1,919.81

Step by Step Solution

1. Step 1: Write the proportion equation
   892.69 : 1,919.81 = 1,919.81 : x
2. Step 2: Convert to fraction form
   892.69/1,919.81 = 1,919.81/x
3. Step 3: Cross multiply
   892.69x = 1,919.81 × 1,919.81
4. Step 4: Simplify right side
   892.69x = 3,685,680.04
5. Step 5: Solve for x
   x = 3,685,680.04/892.69
6. Step 6: Final answer
   x = 4,128.75