Finding the Third Proportional to 4,608.56 and 7,405.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,608.56 : 7,405.59 = 7,405.59 : x
2. Step 2: Convert to fraction form
   4,608.56/7,405.59 = 7,405.59/x
3. Step 3: Cross multiply
   4,608.56x = 7,405.59 × 7,405.59
4. Step 4: Simplify right side
   4,608.56x = 54,842,818.79
5. Step 5: Solve for x
   x = 54,842,818.79/4,608.56
6. Step 6: Final answer
   x = 11,900.20