Finding the Third Proportional to 2,813.50 and 5,807

Step by Step Solution

1. Step 1: Write the proportion equation
   2,813.50 : 5,807 = 5,807 : x
2. Step 2: Convert to fraction form
   2,813.50/5,807 = 5,807/x
3. Step 3: Cross multiply
   2,813.50x = 5,807 × 5,807
4. Step 4: Simplify right side
   2,813.50x = 33,721,249
5. Step 5: Solve for x
   x = 33,721,249/2,813.50
6. Step 6: Final answer
   x = 11,985.52