Finding the Third Proportional to 113,578 and 238,926

Step by Step Solution

1. Step 1: Write the proportion equation
   113,578 : 238,926 = 238,926 : x
2. Step 2: Convert to fraction form
   113,578/238,926 = 238,926/x
3. Step 3: Cross multiply
   113,578x = 238,926 × 238,926
4. Step 4: Simplify right side
   113,578x = 57,085,633,476
5. Step 5: Solve for x
   x = 57,085,633,476/113,578
6. Step 6: Final answer
   x = 502,611.72