Finding the Third Proportional to 9,150.75 and 12,624.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.75 : 12,624.75 = 12,624.75 : x
2. Step 2: Convert to fraction form
   9,150.75/12,624.75 = 12,624.75/x
3. Step 3: Cross multiply
   9,150.75x = 12,624.75 × 12,624.75
4. Step 4: Simplify right side
   9,150.75x = 159,384,312.56
5. Step 5: Solve for x
   x = 159,384,312.56/9,150.75
6. Step 6: Final answer
   x = 17,417.62