Finding the Third Proportional to 5,553.56 and 8,533.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,553.56 : 8,533.69 = 8,533.69 : x
2. Step 2: Convert to fraction form
   5,553.56/8,533.69 = 8,533.69/x
3. Step 3: Cross multiply
   5,553.56x = 8,533.69 × 8,533.69
4. Step 4: Simplify right side
   5,553.56x = 72,823,822.35
5. Step 5: Solve for x
   x = 72,823,822.35/5,553.56
6. Step 6: Final answer
   x = 13,112.99