Finding the Third Proportional to 6,676.50 and 13,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,676.50 : 13,888.50 = 13,888.50 : x
2. Step 2: Convert to fraction form
   6,676.50/13,888.50 = 13,888.50/x
3. Step 3: Cross multiply
   6,676.50x = 13,888.50 × 13,888.50
4. Step 4: Simplify right side
   6,676.50x = 192,890,432.25
5. Step 5: Solve for x
   x = 192,890,432.25/6,676.50
6. Step 6: Final answer
   x = 28,890.95