Finding the Third Proportional to 113,619 and 238,986

Step by Step Solution

1. Step 1: Write the proportion equation
   113,619 : 238,986 = 238,986 : x
2. Step 2: Convert to fraction form
   113,619/238,986 = 238,986/x
3. Step 3: Cross multiply
   113,619x = 238,986 × 238,986
4. Step 4: Simplify right side
   113,619x = 57,114,308,196
5. Step 5: Solve for x
   x = 57,114,308,196/113,619
6. Step 6: Final answer
   x = 502,682.72