Finding the Third Proportional to 12,751.75 and 19,792.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.75 : 19,792.88 = 19,792.88 : x
2. Step 2: Convert to fraction form
   12,751.75/19,792.88 = 19,792.88/x
3. Step 3: Cross multiply
   12,751.75x = 19,792.88 × 19,792.88
4. Step 4: Simplify right side
   12,751.75x = 391,757,900.77
5. Step 5: Solve for x
   x = 391,757,900.77/12,751.75
6. Step 6: Final answer
   x = 30,721.89