Finding the Third Proportional to 3,886.88 and 9,243.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.88 : 9,243.56 = 9,243.56 : x
2. Step 2: Convert to fraction form
   3,886.88/9,243.56 = 9,243.56/x
3. Step 3: Cross multiply
   3,886.88x = 9,243.56 × 9,243.56
4. Step 4: Simplify right side
   3,886.88x = 85,443,447.69
5. Step 5: Solve for x
   x = 85,443,447.69/3,886.88
6. Step 6: Final answer
   x = 21,982.56