Finding the Third Proportional to 113,042.25 and 245,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,042.25 : 245,740.50 = 245,740.50 : x
2. Step 2: Convert to fraction form
   113,042.25/245,740.50 = 245,740.50/x
3. Step 3: Cross multiply
   113,042.25x = 245,740.50 × 245,740.50
4. Step 4: Simplify right side
   113,042.25x = 60,388,393,340.25
5. Step 5: Solve for x
   x = 60,388,393,340.25/113,042.25
6. Step 6: Final answer
   x = 534,210.82