Finding the Third Proportional to 445.50 and 919.38

Step by Step Solution

1. Step 1: Write the proportion equation
   445.50 : 919.38 = 919.38 : x
2. Step 2: Convert to fraction form
   445.50/919.38 = 919.38/x
3. Step 3: Cross multiply
   445.50x = 919.38 × 919.38
4. Step 4: Simplify right side
   445.50x = 845,250.39
5. Step 5: Solve for x
   x = 845,250.39/445.50
6. Step 6: Final answer
   x = 1,897.31