Finding the Third Proportional to 113,786 and 247,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,786 : 247,636.50 = 247,636.50 : x
2. Step 2: Convert to fraction form
   113,786/247,636.50 = 247,636.50/x
3. Step 3: Cross multiply
   113,786x = 247,636.50 × 247,636.50
4. Step 4: Simplify right side
   113,786x = 61,323,836,132.25
5. Step 5: Solve for x
   x = 61,323,836,132.25/113,786
6. Step 6: Final answer
   x = 538,940.08