Finding the Third Proportional to 12,178 and 25,282

Step by Step Solution

1. Step 1: Write the proportion equation
   12,178 : 25,282 = 25,282 : x
2. Step 2: Convert to fraction form
   12,178/25,282 = 25,282/x
3. Step 3: Cross multiply
   12,178x = 25,282 × 25,282
4. Step 4: Simplify right side
   12,178x = 639,179,524
5. Step 5: Solve for x
   x = 639,179,524/12,178
6. Step 6: Final answer
   x = 52,486.41