Finding the Third Proportional to 2,713 and 5,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713 : 5,587.50 = 5,587.50 : x
2. Step 2: Convert to fraction form
   2,713/5,587.50 = 5,587.50/x
3. Step 3: Cross multiply
   2,713x = 5,587.50 × 5,587.50
4. Step 4: Simplify right side
   2,713x = 31,220,156.25
5. Step 5: Solve for x
   x = 31,220,156.25/2,713
6. Step 6: Final answer
   x = 11,507.61