Finding the Third Proportional to 28,274 and 61,678

Step by Step Solution

1. Step 1: Write the proportion equation
   28,274 : 61,678 = 61,678 : x
2. Step 2: Convert to fraction form
   28,274/61,678 = 61,678/x
3. Step 3: Cross multiply
   28,274x = 61,678 × 61,678
4. Step 4: Simplify right side
   28,274x = 3,804,175,684
5. Step 5: Solve for x
   x = 3,804,175,684/28,274
6. Step 6: Final answer
   x = 134,546.78