Finding the Third Proportional to 5,199.75 and 10,703.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,199.75 : 10,703.25 = 10,703.25 : x
2. Step 2: Convert to fraction form
   5,199.75/10,703.25 = 10,703.25/x
3. Step 3: Cross multiply
   5,199.75x = 10,703.25 × 10,703.25
4. Step 4: Simplify right side
   5,199.75x = 114,559,560.56
5. Step 5: Solve for x
   x = 114,559,560.56/5,199.75
6. Step 6: Final answer
   x = 22,031.74