Finding the Third Proportional to 1,803.09 and 4,555.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.09 : 4,555.69 = 4,555.69 : x
2. Step 2: Convert to fraction form
   1,803.09/4,555.69 = 4,555.69/x
3. Step 3: Cross multiply
   1,803.09x = 4,555.69 × 4,555.69
4. Step 4: Simplify right side
   1,803.09x = 20,754,288.60
5. Step 5: Solve for x
   x = 20,754,288.60/1,803.09
6. Step 6: Final answer
   x = 11,510.38