Finding the Third Proportional to 1,369.94 and 2,118.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.94 : 2,118.84 = 2,118.84 : x
2. Step 2: Convert to fraction form
   1,369.94/2,118.84 = 2,118.84/x
3. Step 3: Cross multiply
   1,369.94x = 2,118.84 × 2,118.84
4. Step 4: Simplify right side
   1,369.94x = 4,489,498.84
5. Step 5: Solve for x
   x = 4,489,498.84/1,369.94
6. Step 6: Final answer
   x = 3,277.16