Finding the Third Proportional to 113,048.72 and 242,488.69

Step by Step Solution

1. Step 1: Write the proportion equation
   113,048.72 : 242,488.69 = 242,488.69 : x
2. Step 2: Convert to fraction form
   113,048.72/242,488.69 = 242,488.69/x
3. Step 3: Cross multiply
   113,048.72x = 242,488.69 × 242,488.69
4. Step 4: Simplify right side
   113,048.72x = 58,800,763,565.47
5. Step 5: Solve for x
   x = 58,800,763,565.47/113,048.72
6. Step 6: Final answer
   x = 520,136.49