Finding the Third Proportional to 2,619.84 and 5,683.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.84 : 5,683.92 = 5,683.92 : x
2. Step 2: Convert to fraction form
   2,619.84/5,683.92 = 5,683.92/x
3. Step 3: Cross multiply
   2,619.84x = 5,683.92 × 5,683.92
4. Step 4: Simplify right side
   2,619.84x = 32,306,967.88
5. Step 5: Solve for x
   x = 32,306,967.88/2,619.84
6. Step 6: Final answer
   x = 12,331.64