Finding the Third Proportional to 3,548.81 and 7,722.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548.81 : 7,722.56 = 7,722.56 : x
2. Step 2: Convert to fraction form
   3,548.81/7,722.56 = 7,722.56/x
3. Step 3: Cross multiply
   3,548.81x = 7,722.56 × 7,722.56
4. Step 4: Simplify right side
   3,548.81x = 59,637,971.57
5. Step 5: Solve for x
   x = 59,637,971.57/3,548.81
6. Step 6: Final answer
   x = 16,805.05