Finding the Third Proportional to 2,785.88 and 5,990.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.88 : 5,990.25 = 5,990.25 : x
2. Step 2: Convert to fraction form
   2,785.88/5,990.25 = 5,990.25/x
3. Step 3: Cross multiply
   2,785.88x = 5,990.25 × 5,990.25
4. Step 4: Simplify right side
   2,785.88x = 35,883,095.06
5. Step 5: Solve for x
   x = 35,883,095.06/2,785.88
6. Step 6: Final answer
   x = 12,880.37