Finding the Third Proportional to 1,672.97 and 3,643.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.97 : 3,643.88 = 3,643.88 : x
2. Step 2: Convert to fraction form
   1,672.97/3,643.88 = 3,643.88/x
3. Step 3: Cross multiply
   1,672.97x = 3,643.88 × 3,643.88
4. Step 4: Simplify right side
   1,672.97x = 13,277,825.02
5. Step 5: Solve for x
   x = 13,277,825.02/1,672.97
6. Step 6: Final answer
   x = 7,936.68