Finding the Third Proportional to 1,866.25 and 2,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.25 : 2,836.50 = 2,836.50 : x
2. Step 2: Convert to fraction form
   1,866.25/2,836.50 = 2,836.50/x
3. Step 3: Cross multiply
   1,866.25x = 2,836.50 × 2,836.50
4. Step 4: Simplify right side
   1,866.25x = 8,045,732.25
5. Step 5: Solve for x
   x = 8,045,732.25/1,866.25
6. Step 6: Final answer
   x = 4,311.18