Finding the Third Proportional to 1,225.97 and 2,390.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.97 : 2,390.34 = 2,390.34 : x
2. Step 2: Convert to fraction form
   1,225.97/2,390.34 = 2,390.34/x
3. Step 3: Cross multiply
   1,225.97x = 2,390.34 × 2,390.34
4. Step 4: Simplify right side
   1,225.97x = 5,713,743.24
5. Step 5: Solve for x
   x = 5,713,743.24/1,225.97
6. Step 6: Final answer
   x = 4,660.59