Finding the Third Proportional to 113,781.75 and 247,623

Step by Step Solution

1. Step 1: Write the proportion equation
   113,781.75 : 247,623 = 247,623 : x
2. Step 2: Convert to fraction form
   113,781.75/247,623 = 247,623/x
3. Step 3: Cross multiply
   113,781.75x = 247,623 × 247,623
4. Step 4: Simplify right side
   113,781.75x = 61,317,150,129
5. Step 5: Solve for x
   x = 61,317,150,129/113,781.75
6. Step 6: Final answer
   x = 538,901.45