Finding the Third Proportional to 3,886.31 and 4,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.31 : 4,554.56 = 4,554.56 : x
2. Step 2: Convert to fraction form
   3,886.31/4,554.56 = 4,554.56/x
3. Step 3: Cross multiply
   3,886.31x = 4,554.56 × 4,554.56
4. Step 4: Simplify right side
   3,886.31x = 20,744,039.57
5. Step 5: Solve for x
   x = 20,744,039.57/3,886.31
6. Step 6: Final answer
   x = 5,337.72