Finding the Third Proportional to 6,643.69 and 13,894.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.69 : 13,894.88 = 13,894.88 : x
2. Step 2: Convert to fraction form
   6,643.69/13,894.88 = 13,894.88/x
3. Step 3: Cross multiply
   6,643.69x = 13,894.88 × 13,894.88
4. Step 4: Simplify right side
   6,643.69x = 193,067,551.27
5. Step 5: Solve for x
   x = 193,067,551.27/6,643.69
6. Step 6: Final answer
   x = 29,060.30