Finding the Third Proportional to 113,137 and 223,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,137 : 223,419.50 = 223,419.50 : x
2. Step 2: Convert to fraction form
   113,137/223,419.50 = 223,419.50/x
3. Step 3: Cross multiply
   113,137x = 223,419.50 × 223,419.50
4. Step 4: Simplify right side
   113,137x = 49,916,272,980.25
5. Step 5: Solve for x
   x = 49,916,272,980.25/113,137
6. Step 6: Final answer
   x = 441,202.02