Finding the Third Proportional to 3,476.81 and 7,499.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,476.81 : 7,499.81 = 7,499.81 : x
2. Step 2: Convert to fraction form
   3,476.81/7,499.81 = 7,499.81/x
3. Step 3: Cross multiply
   3,476.81x = 7,499.81 × 7,499.81
4. Step 4: Simplify right side
   3,476.81x = 56,247,187.54
5. Step 5: Solve for x
   x = 56,247,187.54/3,476.81
6. Step 6: Final answer
   x = 16,177.80