Finding the Third Proportional to 2,335.50 and 3,511.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.50 : 3,511.88 = 3,511.88 : x
2. Step 2: Convert to fraction form
   2,335.50/3,511.88 = 3,511.88/x
3. Step 3: Cross multiply
   2,335.50x = 3,511.88 × 3,511.88
4. Step 4: Simplify right side
   2,335.50x = 12,333,266.02
5. Step 5: Solve for x
   x = 12,333,266.02/2,335.50
6. Step 6: Final answer
   x = 5,280.78