Finding the Third Proportional to 1,427.63 and 2,818.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.63 : 2,818.23 = 2,818.23 : x
2. Step 2: Convert to fraction form
   1,427.63/2,818.23 = 2,818.23/x
3. Step 3: Cross multiply
   1,427.63x = 2,818.23 × 2,818.23
4. Step 4: Simplify right side
   1,427.63x = 7,942,422.97
5. Step 5: Solve for x
   x = 7,942,422.97/1,427.63
6. Step 6: Final answer
   x = 5,563.38