Finding the Third Proportional to 445.50 and 976.43

Step by Step Solution

1. Step 1: Write the proportion equation
   445.50 : 976.43 = 976.43 : x
2. Step 2: Convert to fraction form
   445.50/976.43 = 976.43/x
3. Step 3: Cross multiply
   445.50x = 976.43 × 976.43
4. Step 4: Simplify right side
   445.50x = 953,414.93
5. Step 5: Solve for x
   x = 953,414.93/445.50
6. Step 6: Final answer
   x = 2,140.10