Finding the Third Proportional to 113,560 and 238,891

Step by Step Solution

1. Step 1: Write the proportion equation
   113,560 : 238,891 = 238,891 : x
2. Step 2: Convert to fraction form
   113,560/238,891 = 238,891/x
3. Step 3: Cross multiply
   113,560x = 238,891 × 238,891
4. Step 4: Simplify right side
   113,560x = 57,068,909,881
5. Step 5: Solve for x
   x = 57,068,909,881/113,560
6. Step 6: Final answer
   x = 502,544.12