Finding the Third Proportional to 969.63 and 1,618.89

Step by Step Solution

1. Step 1: Write the proportion equation
   969.63 : 1,618.89 = 1,618.89 : x
2. Step 2: Convert to fraction form
   969.63/1,618.89 = 1,618.89/x
3. Step 3: Cross multiply
   969.63x = 1,618.89 × 1,618.89
4. Step 4: Simplify right side
   969.63x = 2,620,813.18
5. Step 5: Solve for x
   x = 2,620,813.18/969.63
6. Step 6: Final answer
   x = 2,702.91