Finding the Third Proportional to 12,954.94 and 19,428.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.94 : 19,428.61 = 19,428.61 : x
2. Step 2: Convert to fraction form
   12,954.94/19,428.61 = 19,428.61/x
3. Step 3: Cross multiply
   12,954.94x = 19,428.61 × 19,428.61
4. Step 4: Simplify right side
   12,954.94x = 377,470,862.25
5. Step 5: Solve for x
   x = 377,470,862.25/12,954.94
6. Step 6: Final answer
   x = 29,137.22