Finding the Third Proportional to 5,779.69 and 10,708.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,779.69 : 10,708.88 = 10,708.88 : x
2. Step 2: Convert to fraction form
   5,779.69/10,708.88 = 10,708.88/x
3. Step 3: Cross multiply
   5,779.69x = 10,708.88 × 10,708.88
4. Step 4: Simplify right side
   5,779.69x = 114,680,003.77
5. Step 5: Solve for x
   x = 114,680,003.77/5,779.69
6. Step 6: Final answer
   x = 19,841.90