Finding the Third Proportional to 1,210.89 and 2,615.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210.89 : 2,615.41 = 2,615.41 : x
2. Step 2: Convert to fraction form
   1,210.89/2,615.41 = 2,615.41/x
3. Step 3: Cross multiply
   1,210.89x = 2,615.41 × 2,615.41
4. Step 4: Simplify right side
   1,210.89x = 6,840,390.72
5. Step 5: Solve for x
   x = 6,840,390.72/1,210.89
6. Step 6: Final answer
   x = 5,649.08