Finding the Third Proportional to 208,437,162 and 445,499,238

Step by Step Solution

1. Step 1: Write the proportion equation
   208,437,162 : 445,499,238 = 445,499,238 : x
2. Step 2: Convert to fraction form
   208,437,162/445,499,238 = 445,499,238/x
3. Step 3: Cross multiply
   208,437,162x = 445,499,238 × 445,499,238
4. Step 4: Simplify right side
   208,437,162x = 198,469,571,058,580,640
5. Step 5: Solve for x
   x = 198,469,571,058,580,640/208,437,162
6. Step 6: Final answer
   x = 952,179,396.20