Finding the Third Proportional to 2,551.50 and 2,910.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.50 : 2,910.09 = 2,910.09 : x
2. Step 2: Convert to fraction form
   2,551.50/2,910.09 = 2,910.09/x
3. Step 3: Cross multiply
   2,551.50x = 2,910.09 × 2,910.09
4. Step 4: Simplify right side
   2,551.50x = 8,468,645.63
5. Step 5: Solve for x
   x = 8,468,645.63/2,551.50
6. Step 6: Final answer
   x = 3,319.09