Finding the Third Proportional to 1,018.88 and 2,114.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.88 : 2,114.25 = 2,114.25 : x
2. Step 2: Convert to fraction form
   1,018.88/2,114.25 = 2,114.25/x
3. Step 3: Cross multiply
   1,018.88x = 2,114.25 × 2,114.25
4. Step 4: Simplify right side
   1,018.88x = 4,470,053.06
5. Step 5: Solve for x
   x = 4,470,053.06/1,018.88
6. Step 6: Final answer
   x = 4,387.24