Finding the Third Proportional to 908.72 and 1,969.59

Step by Step Solution

1. Step 1: Write the proportion equation
   908.72 : 1,969.59 = 1,969.59 : x
2. Step 2: Convert to fraction form
   908.72/1,969.59 = 1,969.59/x
3. Step 3: Cross multiply
   908.72x = 1,969.59 × 1,969.59
4. Step 4: Simplify right side
   908.72x = 3,879,299.54
5. Step 5: Solve for x
   x = 3,879,299.54/908.72
6. Step 6: Final answer
   x = 4,268.98