Finding the Third Proportional to 113,058 and 235,419.75

Step by Step Solution

1. Step 1: Write the proportion equation
   113,058 : 235,419.75 = 235,419.75 : x
2. Step 2: Convert to fraction form
   113,058/235,419.75 = 235,419.75/x
3. Step 3: Cross multiply
   113,058x = 235,419.75 × 235,419.75
4. Step 4: Simplify right side
   113,058x = 55,422,458,690.06
5. Step 5: Solve for x
   x = 55,422,458,690.06/113,058
6. Step 6: Final answer
   x = 490,212.62