Finding the Third Proportional to 1,815.75 and 2,748.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.75 : 2,748.52 = 2,748.52 : x
2. Step 2: Convert to fraction form
   1,815.75/2,748.52 = 2,748.52/x
3. Step 3: Cross multiply
   1,815.75x = 2,748.52 × 2,748.52
4. Step 4: Simplify right side
   1,815.75x = 7,554,338.14
5. Step 5: Solve for x
   x = 7,554,338.14/1,815.75
6. Step 6: Final answer
   x = 4,160.45