Finding the Third Proportional to 4,672.31 and 7,145.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,672.31 : 7,145.25 = 7,145.25 : x
2. Step 2: Convert to fraction form
   4,672.31/7,145.25 = 7,145.25/x
3. Step 3: Cross multiply
   4,672.31x = 7,145.25 × 7,145.25
4. Step 4: Simplify right side
   4,672.31x = 51,054,597.56
5. Step 5: Solve for x
   x = 51,054,597.56/4,672.31
6. Step 6: Final answer
   x = 10,927.05