Finding the Third Proportional to 12,934.69 and 19,812.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934.69 : 19,812.09 = 19,812.09 : x
2. Step 2: Convert to fraction form
   12,934.69/19,812.09 = 19,812.09/x
3. Step 3: Cross multiply
   12,934.69x = 19,812.09 × 19,812.09
4. Step 4: Simplify right side
   12,934.69x = 392,519,058.76
5. Step 5: Solve for x
   x = 392,519,058.76/12,934.69
6. Step 6: Final answer
   x = 30,346.23