Finding the Third Proportional to 1,671.47 and 3,654.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.47 : 3,654.28 = 3,654.28 : x
2. Step 2: Convert to fraction form
   1,671.47/3,654.28 = 3,654.28/x
3. Step 3: Cross multiply
   1,671.47x = 3,654.28 × 3,654.28
4. Step 4: Simplify right side
   1,671.47x = 13,353,771.45
5. Step 5: Solve for x
   x = 13,353,771.45/1,671.47
6. Step 6: Final answer
   x = 7,989.24