Finding the Third Proportional to 111,940,530 and 242,216,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,940,530 : 242,216,866.50 = 242,216,866.50 : x
2. Step 2: Convert to fraction form
   111,940,530/242,216,866.50 = 242,216,866.50/x
3. Step 3: Cross multiply
   111,940,530x = 242,216,866.50 × 242,216,866.50
4. Step 4: Simplify right side
   111,940,530x = 58,669,010,417,078,824
5. Step 5: Solve for x
   x = 58,669,010,417,078,824/111,940,530
6. Step 6: Final answer
   x = 524,108,742.54