Finding the Third Proportional to 1,039.13 and 2,222.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.13 : 2,222.81 = 2,222.81 : x
2. Step 2: Convert to fraction form
   1,039.13/2,222.81 = 2,222.81/x
3. Step 3: Cross multiply
   1,039.13x = 2,222.81 × 2,222.81
4. Step 4: Simplify right side
   1,039.13x = 4,940,895.41
5. Step 5: Solve for x
   x = 4,940,895.41/1,039.13
6. Step 6: Final answer
   x = 4,754.86