Finding the Third Proportional to 8,560.69 and 13,792.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,560.69 : 13,792.78 = 13,792.78 : x
2. Step 2: Convert to fraction form
   8,560.69/13,792.78 = 13,792.78/x
3. Step 3: Cross multiply
   8,560.69x = 13,792.78 × 13,792.78
4. Step 4: Simplify right side
   8,560.69x = 190,240,814.61
5. Step 5: Solve for x
   x = 190,240,814.61/8,560.69
6. Step 6: Final answer
   x = 22,222.61