Finding the Third Proportional to 2,715.50 and 5,898.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.50 : 5,898.25 = 5,898.25 : x
2. Step 2: Convert to fraction form
   2,715.50/5,898.25 = 5,898.25/x
3. Step 3: Cross multiply
   2,715.50x = 5,898.25 × 5,898.25
4. Step 4: Simplify right side
   2,715.50x = 34,789,353.06
5. Step 5: Solve for x
   x = 34,789,353.06/2,715.50
6. Step 6: Final answer
   x = 12,811.40