Finding the Third Proportional to 1,223.25 and 2,645.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.25 : 2,645.88 = 2,645.88 : x
2. Step 2: Convert to fraction form
   1,223.25/2,645.88 = 2,645.88/x
3. Step 3: Cross multiply
   1,223.25x = 2,645.88 × 2,645.88
4. Step 4: Simplify right side
   1,223.25x = 7,000,654.52
5. Step 5: Solve for x
   x = 7,000,654.52/1,223.25
6. Step 6: Final answer
   x = 5,723.00