Finding the Third Proportional to 111,878 and 236,714

Step by Step Solution

1. Step 1: Write the proportion equation
   111,878 : 236,714 = 236,714 : x
2. Step 2: Convert to fraction form
   111,878/236,714 = 236,714/x
3. Step 3: Cross multiply
   111,878x = 236,714 × 236,714
4. Step 4: Simplify right side
   111,878x = 56,033,517,796
5. Step 5: Solve for x
   x = 56,033,517,796/111,878
6. Step 6: Final answer
   x = 500,844.83