Finding the Third Proportional to 8,758.50 and 13,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.50 : 13,146.56 = 13,146.56 : x
2. Step 2: Convert to fraction form
   8,758.50/13,146.56 = 13,146.56/x
3. Step 3: Cross multiply
   8,758.50x = 13,146.56 × 13,146.56
4. Step 4: Simplify right side
   8,758.50x = 172,832,105.57
5. Step 5: Solve for x
   x = 172,832,105.57/8,758.50
6. Step 6: Final answer
   x = 19,733.07