Finding the Third Proportional to 2,633.45 and 5,591.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.45 : 5,591.21 = 5,591.21 : x
2. Step 2: Convert to fraction form
   2,633.45/5,591.21 = 5,591.21/x
3. Step 3: Cross multiply
   2,633.45x = 5,591.21 × 5,591.21
4. Step 4: Simplify right side
   2,633.45x = 31,261,683.43
5. Step 5: Solve for x
   x = 31,261,683.43/2,633.45
6. Step 6: Final answer
   x = 11,871.00