Finding the Third Proportional to 303,079,158 and 443,281,329

Step by Step Solution

1. Step 1: Write the proportion equation
   303,079,158 : 443,281,329 = 443,281,329 : x
2. Step 2: Convert to fraction form
   303,079,158/443,281,329 = 443,281,329/x
3. Step 3: Cross multiply
   303,079,158x = 443,281,329 × 443,281,329
4. Step 4: Simplify right side
   303,079,158x = 196,498,336,640,006,240
5. Step 5: Solve for x
   x = 196,498,336,640,006,240/303,079,158
6. Step 6: Final answer
   x = 648,339,984.63