Finding the Third Proportional to 1,399.96 and 2,110.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399.96 : 2,110.75 = 2,110.75 : x
2. Step 2: Convert to fraction form
   1,399.96/2,110.75 = 2,110.75/x
3. Step 3: Cross multiply
   1,399.96x = 2,110.75 × 2,110.75
4. Step 4: Simplify right side
   1,399.96x = 4,455,249.07
5. Step 5: Solve for x
   x = 4,455,249.07/1,399.96
6. Step 6: Final answer
   x = 3,182.41