Finding the Third Proportional to 447.47 and 980.16

Step by Step Solution

1. Step 1: Write the proportion equation
   447.47 : 980.16 = 980.16 : x
2. Step 2: Convert to fraction form
   447.47/980.16 = 980.16/x
3. Step 3: Cross multiply
   447.47x = 980.16 × 980.16
4. Step 4: Simplify right side
   447.47x = 960,706.27
5. Step 5: Solve for x
   x = 960,706.27/447.47
6. Step 6: Final answer
   x = 2,146.98