Finding the Third Proportional to 5,133 and 10,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,133 : 10,549.50 = 10,549.50 : x
2. Step 2: Convert to fraction form
   5,133/10,549.50 = 10,549.50/x
3. Step 3: Cross multiply
   5,133x = 10,549.50 × 10,549.50
4. Step 4: Simplify right side
   5,133x = 111,291,950.25
5. Step 5: Solve for x
   x = 111,291,950.25/5,133
6. Step 6: Final answer
   x = 21,681.66