Finding the Third Proportional to 8,748.56 and 13,447.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.56 : 13,447.69 = 13,447.69 : x
2. Step 2: Convert to fraction form
   8,748.56/13,447.69 = 13,447.69/x
3. Step 3: Cross multiply
   8,748.56x = 13,447.69 × 13,447.69
4. Step 4: Simplify right side
   8,748.56x = 180,840,299.10
5. Step 5: Solve for x
   x = 180,840,299.10/8,748.56
6. Step 6: Final answer
   x = 20,670.86