Finding the Third Proportional to 111,537 and 245,187

Step by Step Solution

1. Step 1: Write the proportion equation
   111,537 : 245,187 = 245,187 : x
2. Step 2: Convert to fraction form
   111,537/245,187 = 245,187/x
3. Step 3: Cross multiply
   111,537x = 245,187 × 245,187
4. Step 4: Simplify right side
   111,537x = 60,116,664,969
5. Step 5: Solve for x
   x = 60,116,664,969/111,537
6. Step 6: Final answer
   x = 538,984.06