Finding the Third Proportional to 113,080 and 245,830

Step by Step Solution

1. Step 1: Write the proportion equation
   113,080 : 245,830 = 245,830 : x
2. Step 2: Convert to fraction form
   113,080/245,830 = 245,830/x
3. Step 3: Cross multiply
   113,080x = 245,830 × 245,830
4. Step 4: Simplify right side
   113,080x = 60,432,388,900
5. Step 5: Solve for x
   x = 60,432,388,900/113,080
6. Step 6: Final answer
   x = 534,421.55