Finding the Third Proportional to 189,054 and 445,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   189,054 : 445,297.50 = 445,297.50 : x
2. Step 2: Convert to fraction form
   189,054/445,297.50 = 445,297.50/x
3. Step 3: Cross multiply
   189,054x = 445,297.50 × 445,297.50
4. Step 4: Simplify right side
   189,054x = 198,289,863,506.25
5. Step 5: Solve for x
   x = 198,289,863,506.25/189,054
6. Step 6: Final answer
   x = 1,048,853.04