Finding the Third Proportional to 5,166 and 10,637.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,166 : 10,637.25 = 10,637.25 : x
2. Step 2: Convert to fraction form
   5,166/10,637.25 = 10,637.25/x
3. Step 3: Cross multiply
   5,166x = 10,637.25 × 10,637.25
4. Step 4: Simplify right side
   5,166x = 113,151,087.56
5. Step 5: Solve for x
   x = 113,151,087.56/5,166
6. Step 6: Final answer
   x = 21,903.04