Finding the Third Proportional to 113,169 and 245,809

Step by Step Solution

1. Step 1: Write the proportion equation
   113,169 : 245,809 = 245,809 : x
2. Step 2: Convert to fraction form
   113,169/245,809 = 245,809/x
3. Step 3: Cross multiply
   113,169x = 245,809 × 245,809
4. Step 4: Simplify right side
   113,169x = 60,422,064,481
5. Step 5: Solve for x
   x = 60,422,064,481/113,169
6. Step 6: Final answer
   x = 533,910.03