Finding the Third Proportional to 113,419 and 238,447

Step by Step Solution

1. Step 1: Write the proportion equation
   113,419 : 238,447 = 238,447 : x
2. Step 2: Convert to fraction form
   113,419/238,447 = 238,447/x
3. Step 3: Cross multiply
   113,419x = 238,447 × 238,447
4. Step 4: Simplify right side
   113,419x = 56,856,971,809
5. Step 5: Solve for x
   x = 56,856,971,809/113,419
6. Step 6: Final answer
   x = 501,300.24