Finding the Third Proportional to 1,207.88 and 2,520.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207.88 : 2,520.38 = 2,520.38 : x
2. Step 2: Convert to fraction form
   1,207.88/2,520.38 = 2,520.38/x
3. Step 3: Cross multiply
   1,207.88x = 2,520.38 × 2,520.38
4. Step 4: Simplify right side
   1,207.88x = 6,352,290.14
5. Step 5: Solve for x
   x = 6,352,290.14/1,207.88
6. Step 6: Final answer
   x = 5,259.06