Finding the Third Proportional to 1,636.03 and 3,550.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636.03 : 3,550.78 = 3,550.78 : x
2. Step 2: Convert to fraction form
   1,636.03/3,550.78 = 3,550.78/x
3. Step 3: Cross multiply
   1,636.03x = 3,550.78 × 3,550.78
4. Step 4: Simplify right side
   1,636.03x = 12,608,047.49
5. Step 5: Solve for x
   x = 12,608,047.49/1,636.03
6. Step 6: Final answer
   x = 7,706.48