Finding the Third Proportional to 113,857.50 and 247,401

Step by Step Solution

1. Step 1: Write the proportion equation
   113,857.50 : 247,401 = 247,401 : x
2. Step 2: Convert to fraction form
   113,857.50/247,401 = 247,401/x
3. Step 3: Cross multiply
   113,857.50x = 247,401 × 247,401
4. Step 4: Simplify right side
   113,857.50x = 61,207,254,801
5. Step 5: Solve for x
   x = 61,207,254,801/113,857.50
6. Step 6: Final answer
   x = 537,577.72