Finding the Third Proportional to 9,451.69 and 12,453.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.69 : 12,453.75 = 12,453.75 : x
2. Step 2: Convert to fraction form
   9,451.69/12,453.75 = 12,453.75/x
3. Step 3: Cross multiply
   9,451.69x = 12,453.75 × 12,453.75
4. Step 4: Simplify right side
   9,451.69x = 155,095,889.06
5. Step 5: Solve for x
   x = 155,095,889.06/9,451.69
6. Step 6: Final answer
   x = 16,409.33