Finding the Third Proportional to 303,079,603.50 and 654,658,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,079,603.50 : 654,658,105.50 = 654,658,105.50 : x
2. Step 2: Convert to fraction form
   303,079,603.50/654,658,105.50 = 654,658,105.50/x
3. Step 3: Cross multiply
   303,079,603.50x = 654,658,105.50 × 654,658,105.50
4. Step 4: Simplify right side
   303,079,603.50x = 428,577,235,096,849,152
5. Step 5: Solve for x
   x = 428,577,235,096,849,152/303,079,603.50
6. Step 6: Final answer
   x = 1,414,074,817.80