Finding the Third Proportional to 445.50 and 980.16

Step by Step Solution

1. Step 1: Write the proportion equation
   445.50 : 980.16 = 980.16 : x
2. Step 2: Convert to fraction form
   445.50/980.16 = 980.16/x
3. Step 3: Cross multiply
   445.50x = 980.16 × 980.16
4. Step 4: Simplify right side
   445.50x = 960,706.27
5. Step 5: Solve for x
   x = 960,706.27/445.50
6. Step 6: Final answer
   x = 2,156.47