Finding the Third Proportional to 3,886.31 and 5,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.31 : 5,553.56 = 5,553.56 : x
2. Step 2: Convert to fraction form
   3,886.31/5,553.56 = 5,553.56/x
3. Step 3: Cross multiply
   3,886.31x = 5,553.56 × 5,553.56
4. Step 4: Simplify right side
   3,886.31x = 30,842,056.44
5. Step 5: Solve for x
   x = 30,842,056.44/3,886.31
6. Step 6: Final answer
   x = 7,936.07