Finding the Third Proportional to 113,826 and 245,890

Step by Step Solution

1. Step 1: Write the proportion equation
   113,826 : 245,890 = 245,890 : x
2. Step 2: Convert to fraction form
   113,826/245,890 = 245,890/x
3. Step 3: Cross multiply
   113,826x = 245,890 × 245,890
4. Step 4: Simplify right side
   113,826x = 60,461,892,100
5. Step 5: Solve for x
   x = 60,461,892,100/113,826
6. Step 6: Final answer
   x = 531,178.22