Finding the Third Proportional to 12,254 and 19,429

Step by Step Solution

1. Step 1: Write the proportion equation
   12,254 : 19,429 = 19,429 : x
2. Step 2: Convert to fraction form
   12,254/19,429 = 19,429/x
3. Step 3: Cross multiply
   12,254x = 19,429 × 19,429
4. Step 4: Simplify right side
   12,254x = 377,486,041
5. Step 5: Solve for x
   x = 377,486,041/12,254
6. Step 6: Final answer
   x = 30,805.13