Finding the Third Proportional to 989.50 and 1,826

Step by Step Solution

1. Step 1: Write the proportion equation
   989.50 : 1,826 = 1,826 : x
2. Step 2: Convert to fraction form
   989.50/1,826 = 1,826/x
3. Step 3: Cross multiply
   989.50x = 1,826 × 1,826
4. Step 4: Simplify right side
   989.50x = 3,334,276
5. Step 5: Solve for x
   x = 3,334,276/989.50
6. Step 6: Final answer
   x = 3,369.66