Finding the Third Proportional to 5,047.31 and 7,747.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,047.31 : 7,747.31 = 7,747.31 : x
2. Step 2: Convert to fraction form
   5,047.31/7,747.31 = 7,747.31/x
3. Step 3: Cross multiply
   5,047.31x = 7,747.31 × 7,747.31
4. Step 4: Simplify right side
   5,047.31x = 60,020,850.97
5. Step 5: Solve for x
   x = 60,020,850.97/5,047.31
6. Step 6: Final answer
   x = 11,891.65