Finding the Third Proportional to 2,256.61 and 2,666.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.61 : 2,666.67 = 2,666.67 : x
2. Step 2: Convert to fraction form
   2,256.61/2,666.67 = 2,666.67/x
3. Step 3: Cross multiply
   2,256.61x = 2,666.67 × 2,666.67
4. Step 4: Simplify right side
   2,256.61x = 7,111,138.89
5. Step 5: Solve for x
   x = 7,111,138.89/2,256.61
6. Step 6: Final answer
   x = 3,151.25