Finding the Third Proportional to 2,961.56 and 4,518.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.56 : 4,518.28 = 4,518.28 : x
2. Step 2: Convert to fraction form
   2,961.56/4,518.28 = 4,518.28/x
3. Step 3: Cross multiply
   2,961.56x = 4,518.28 × 4,518.28
4. Step 4: Simplify right side
   2,961.56x = 20,414,865.45
5. Step 5: Solve for x
   x = 20,414,865.45/2,961.56
6. Step 6: Final answer
   x = 6,893.28