Finding the Third Proportional to 6,818.63 and 10,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,818.63 : 10,789.88 = 10,789.88 : x
2. Step 2: Convert to fraction form
   6,818.63/10,789.88 = 10,789.88/x
3. Step 3: Cross multiply
   6,818.63x = 10,789.88 × 10,789.88
4. Step 4: Simplify right side
   6,818.63x = 116,421,402.52
5. Step 5: Solve for x
   x = 116,421,402.52/6,818.63
6. Step 6: Final answer
   x = 17,074.03