Finding the Third Proportional to 12,792.09 and 19,734.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.09 : 19,734.89 = 19,734.89 : x
2. Step 2: Convert to fraction form
   12,792.09/19,734.89 = 19,734.89/x
3. Step 3: Cross multiply
   12,792.09x = 19,734.89 × 19,734.89
4. Step 4: Simplify right side
   12,792.09x = 389,465,907.98
5. Step 5: Solve for x
   x = 389,465,907.98/12,792.09
6. Step 6: Final answer
   x = 30,445.83