Finding the Third Proportional to 28,178 and 61,256

Step by Step Solution

1. Step 1: Write the proportion equation
   28,178 : 61,256 = 61,256 : x
2. Step 2: Convert to fraction form
   28,178/61,256 = 61,256/x
3. Step 3: Cross multiply
   28,178x = 61,256 × 61,256
4. Step 4: Simplify right side
   28,178x = 3,752,297,536
5. Step 5: Solve for x
   x = 3,752,297,536/28,178
6. Step 6: Final answer
   x = 133,164.08