Finding the Third Proportional to 12,854.63 and 19,418.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,854.63 : 19,418.81 = 19,418.81 : x
2. Step 2: Convert to fraction form
   12,854.63/19,418.81 = 19,418.81/x
3. Step 3: Cross multiply
   12,854.63x = 19,418.81 × 19,418.81
4. Step 4: Simplify right side
   12,854.63x = 377,090,278.91
5. Step 5: Solve for x
   x = 377,090,278.91/12,854.63
6. Step 6: Final answer
   x = 29,334.99