Finding the Third Proportional to 2,776.50 and 5,985

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.50 : 5,985 = 5,985 : x
2. Step 2: Convert to fraction form
   2,776.50/5,985 = 5,985/x
3. Step 3: Cross multiply
   2,776.50x = 5,985 × 5,985
4. Step 4: Simplify right side
   2,776.50x = 35,820,225
5. Step 5: Solve for x
   x = 35,820,225/2,776.50
6. Step 6: Final answer
   x = 12,901.22