Finding the Third Proportional to 1,857.50 and 3,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.50 : 3,059.50 = 3,059.50 : x
2. Step 2: Convert to fraction form
   1,857.50/3,059.50 = 3,059.50/x
3. Step 3: Cross multiply
   1,857.50x = 3,059.50 × 3,059.50
4. Step 4: Simplify right side
   1,857.50x = 9,360,540.25
5. Step 5: Solve for x
   x = 9,360,540.25/1,857.50
6. Step 6: Final answer
   x = 5,039.32