Finding the Third Proportional to 2,072.81 and 4,347.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.81 : 4,347.56 = 4,347.56 : x
2. Step 2: Convert to fraction form
   2,072.81/4,347.56 = 4,347.56/x
3. Step 3: Cross multiply
   2,072.81x = 4,347.56 × 4,347.56
4. Step 4: Simplify right side
   2,072.81x = 18,901,299.69
5. Step 5: Solve for x
   x = 18,901,299.69/2,072.81
6. Step 6: Final answer
   x = 9,118.67