Finding the Third Proportional to 1,284.29 and 2,773.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.29 : 2,773.62 = 2,773.62 : x
2. Step 2: Convert to fraction form
   1,284.29/2,773.62 = 2,773.62/x
3. Step 3: Cross multiply
   1,284.29x = 2,773.62 × 2,773.62
4. Step 4: Simplify right side
   1,284.29x = 7,692,952.30
5. Step 5: Solve for x
   x = 7,692,952.30/1,284.29
6. Step 6: Final answer
   x = 5,990.03