Finding the Third Proportional to 2,851.45 and 4,013.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.45 : 4,013.30 = 4,013.30 : x
2. Step 2: Convert to fraction form
   2,851.45/4,013.30 = 4,013.30/x
3. Step 3: Cross multiply
   2,851.45x = 4,013.30 × 4,013.30
4. Step 4: Simplify right side
   2,851.45x = 16,106,551.81
5. Step 5: Solve for x
   x = 16,106,551.81/2,851.45
6. Step 6: Final answer
   x = 5,648.54