Finding the Third Proportional to 2,677.75 and 3,929.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.75 : 3,929.29 = 3,929.29 : x
2. Step 2: Convert to fraction form
   2,677.75/3,929.29 = 3,929.29/x
3. Step 3: Cross multiply
   2,677.75x = 3,929.29 × 3,929.29
4. Step 4: Simplify right side
   2,677.75x = 15,439,327.89
5. Step 5: Solve for x
   x = 15,439,327.89/2,677.75
6. Step 6: Final answer
   x = 5,765.79