Finding the Third Proportional to 617.63 and 1,333.88

Step by Step Solution

1. Step 1: Write the proportion equation
   617.63 : 1,333.88 = 1,333.88 : x
2. Step 2: Convert to fraction form
   617.63/1,333.88 = 1,333.88/x
3. Step 3: Cross multiply
   617.63x = 1,333.88 × 1,333.88
4. Step 4: Simplify right side
   617.63x = 1,779,222.52
5. Step 5: Solve for x
   x = 1,779,222.52/617.63
6. Step 6: Final answer
   x = 2,880.75