Finding the Third Proportional to 196,419,513 and 273,105,630

Step by Step Solution

1. Step 1: Write the proportion equation
   196,419,513 : 273,105,630 = 273,105,630 : x
2. Step 2: Convert to fraction form
   196,419,513/273,105,630 = 273,105,630/x
3. Step 3: Cross multiply
   196,419,513x = 273,105,630 × 273,105,630
4. Step 4: Simplify right side
   196,419,513x = 74,586,685,137,696,896
5. Step 5: Solve for x
   x = 74,586,685,137,696,896/196,419,513
6. Step 6: Final answer
   x = 379,731,544.99