Finding the Third Proportional to 2,628.56 and 5,803.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.56 : 5,803.88 = 5,803.88 : x
2. Step 2: Convert to fraction form
   2,628.56/5,803.88 = 5,803.88/x
3. Step 3: Cross multiply
   2,628.56x = 5,803.88 × 5,803.88
4. Step 4: Simplify right side
   2,628.56x = 33,684,965.02
5. Step 5: Solve for x
   x = 33,684,965.02/2,628.56
6. Step 6: Final answer
   x = 12,814.98