Finding the Third Proportional to 2,890.37 and 5,985.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.37 : 5,985.77 = 5,985.77 : x
2. Step 2: Convert to fraction form
   2,890.37/5,985.77 = 5,985.77/x
3. Step 3: Cross multiply
   2,890.37x = 5,985.77 × 5,985.77
4. Step 4: Simplify right side
   2,890.37x = 35,829,483.65
5. Step 5: Solve for x
   x = 35,829,483.65/2,890.37
6. Step 6: Final answer
   x = 12,396.15