Finding the Third Proportional to 52,139 and 113,839

Step by Step Solution

1. Step 1: Write the proportion equation
   52,139 : 113,839 = 113,839 : x
2. Step 2: Convert to fraction form
   52,139/113,839 = 113,839/x
3. Step 3: Cross multiply
   52,139x = 113,839 × 113,839
4. Step 4: Simplify right side
   52,139x = 12,959,317,921
5. Step 5: Solve for x
   x = 12,959,317,921/52,139
6. Step 6: Final answer
   x = 248,553.25