Finding the Third Proportional to 2,687.63 and 5,860.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.63 : 5,860.13 = 5,860.13 : x
2. Step 2: Convert to fraction form
   2,687.63/5,860.13 = 5,860.13/x
3. Step 3: Cross multiply
   2,687.63x = 5,860.13 × 5,860.13
4. Step 4: Simplify right side
   2,687.63x = 34,341,065.02
5. Step 5: Solve for x
   x = 34,341,065.02/2,687.63
6. Step 6: Final answer
   x = 12,777.48