Finding the Third Proportional to 113,778 and 245,000

Step by Step Solution

1. Step 1: Write the proportion equation
   113,778 : 245,000 = 245,000 : x
2. Step 2: Convert to fraction form
   113,778/245,000 = 245,000/x
3. Step 3: Cross multiply
   113,778x = 245,000 × 245,000
4. Step 4: Simplify right side
   113,778x = 60,025,000,000
5. Step 5: Solve for x
   x = 60,025,000,000/113,778
6. Step 6: Final answer
   x = 527,562.45