Finding the Third Proportional to 113,672 and 236,608

Step by Step Solution

1. Step 1: Write the proportion equation
   113,672 : 236,608 = 236,608 : x
2. Step 2: Convert to fraction form
   113,672/236,608 = 236,608/x
3. Step 3: Cross multiply
   113,672x = 236,608 × 236,608
4. Step 4: Simplify right side
   113,672x = 55,983,345,664
5. Step 5: Solve for x
   x = 55,983,345,664/113,672
6. Step 6: Final answer
   x = 492,498.99