Finding the Third Proportional to 445.50 and 938.63

Step by Step Solution

1. Step 1: Write the proportion equation
   445.50 : 938.63 = 938.63 : x
2. Step 2: Convert to fraction form
   445.50/938.63 = 938.63/x
3. Step 3: Cross multiply
   445.50x = 938.63 × 938.63
4. Step 4: Simplify right side
   445.50x = 881,016.89
5. Step 5: Solve for x
   x = 881,016.89/445.50
6. Step 6: Final answer
   x = 1,977.59