Finding the Third Proportional to 113,404.50 and 247,221

Step by Step Solution

1. Step 1: Write the proportion equation
   113,404.50 : 247,221 = 247,221 : x
2. Step 2: Convert to fraction form
   113,404.50/247,221 = 247,221/x
3. Step 3: Cross multiply
   113,404.50x = 247,221 × 247,221
4. Step 4: Simplify right side
   113,404.50x = 61,118,222,841
5. Step 5: Solve for x
   x = 61,118,222,841/113,404.50
6. Step 6: Final answer
   x = 538,940.01