Finding the Third Proportional to 1,303.50 and 1,857.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303.50 : 1,857.56 = 1,857.56 : x
2. Step 2: Convert to fraction form
   1,303.50/1,857.56 = 1,857.56/x
3. Step 3: Cross multiply
   1,303.50x = 1,857.56 × 1,857.56
4. Step 4: Simplify right side
   1,303.50x = 3,450,538.44
5. Step 5: Solve for x
   x = 3,450,538.44/1,303.50
6. Step 6: Final answer
   x = 2,647.13