Finding the Third Proportional to 2,146.13 and 4,555.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.13 : 4,555.31 = 4,555.31 : x
2. Step 2: Convert to fraction form
   2,146.13/4,555.31 = 4,555.31/x
3. Step 3: Cross multiply
   2,146.13x = 4,555.31 × 4,555.31
4. Step 4: Simplify right side
   2,146.13x = 20,750,871.97
5. Step 5: Solve for x
   x = 20,750,871.97/2,146.13
6. Step 6: Final answer
   x = 9,669.00