Finding the Third Proportional to 5,308.03 and 7,910.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.03 : 7,910.79 = 7,910.79 : x
2. Step 2: Convert to fraction form
   5,308.03/7,910.79 = 7,910.79/x
3. Step 3: Cross multiply
   5,308.03x = 7,910.79 × 7,910.79
4. Step 4: Simplify right side
   5,308.03x = 62,580,583.59
5. Step 5: Solve for x
   x = 62,580,583.59/5,308.03
6. Step 6: Final answer
   x = 11,789.79