Finding the Third Proportional to 12,792.38 and 19,735.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.38 : 19,735.31 = 19,735.31 : x
2. Step 2: Convert to fraction form
   12,792.38/19,735.31 = 19,735.31/x
3. Step 3: Cross multiply
   12,792.38x = 19,735.31 × 19,735.31
4. Step 4: Simplify right side
   12,792.38x = 389,482,559.47
5. Step 5: Solve for x
   x = 389,482,559.47/12,792.38
6. Step 6: Final answer
   x = 30,446.46