Finding the Third Proportional to 9,127.69 and 12,340.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,127.69 : 12,340.69 = 12,340.69 : x
2. Step 2: Convert to fraction form
   9,127.69/12,340.69 = 12,340.69/x
3. Step 3: Cross multiply
   9,127.69x = 12,340.69 × 12,340.69
4. Step 4: Simplify right side
   9,127.69x = 152,292,567.97
5. Step 5: Solve for x
   x = 152,292,567.97/9,127.69
6. Step 6: Final answer
   x = 16,684.68