Finding the Third Proportional to 3,906.98 and 7,722.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.98 : 7,722.84 = 7,722.84 : x
2. Step 2: Convert to fraction form
   3,906.98/7,722.84 = 7,722.84/x
3. Step 3: Cross multiply
   3,906.98x = 7,722.84 × 7,722.84
4. Step 4: Simplify right side
   3,906.98x = 59,642,315.59
5. Step 5: Solve for x
   x = 59,642,315.59/3,906.98
6. Step 6: Final answer
   x = 15,265.56