Finding the Third Proportional to 2,178.88 and 3,333.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.88 : 3,333.75 = 3,333.75 : x
2. Step 2: Convert to fraction form
   2,178.88/3,333.75 = 3,333.75/x
3. Step 3: Cross multiply
   2,178.88x = 3,333.75 × 3,333.75
4. Step 4: Simplify right side
   2,178.88x = 11,113,889.06
5. Step 5: Solve for x
   x = 11,113,889.06/2,178.88
6. Step 6: Final answer
   x = 5,100.75