Finding the Third Proportional to 3,150.56 and 7,409.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.56 : 7,409.81 = 7,409.81 : x
2. Step 2: Convert to fraction form
   3,150.56/7,409.81 = 7,409.81/x
3. Step 3: Cross multiply
   3,150.56x = 7,409.81 × 7,409.81
4. Step 4: Simplify right side
   3,150.56x = 54,905,321.29
5. Step 5: Solve for x
   x = 54,905,321.29/3,150.56
6. Step 6: Final answer
   x = 17,427.15