Finding the Third Proportional to 918.50 and 1,984

Step by Step Solution

1. Step 1: Write the proportion equation
   918.50 : 1,984 = 1,984 : x
2. Step 2: Convert to fraction form
   918.50/1,984 = 1,984/x
3. Step 3: Cross multiply
   918.50x = 1,984 × 1,984
4. Step 4: Simplify right side
   918.50x = 3,936,256
5. Step 5: Solve for x
   x = 3,936,256/918.50
6. Step 6: Final answer
   x = 4,285.53