Finding the Third Proportional to 1,280.85 and 1,922.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280.85 : 1,922.52 = 1,922.52 : x
2. Step 2: Convert to fraction form
   1,280.85/1,922.52 = 1,922.52/x
3. Step 3: Cross multiply
   1,280.85x = 1,922.52 × 1,922.52
4. Step 4: Simplify right side
   1,280.85x = 3,696,098.25
5. Step 5: Solve for x
   x = 3,696,098.25/1,280.85
6. Step 6: Final answer
   x = 2,885.66