Finding the Third Proportional to 1,662.75 and 4,480.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.75 : 4,480.88 = 4,480.88 : x
2. Step 2: Convert to fraction form
   1,662.75/4,480.88 = 4,480.88/x
3. Step 3: Cross multiply
   1,662.75x = 4,480.88 × 4,480.88
4. Step 4: Simplify right side
   1,662.75x = 20,078,240.77
5. Step 5: Solve for x
   x = 20,078,240.77/1,662.75
6. Step 6: Final answer
   x = 12,075.32