Finding the Third Proportional to 353,007,676.50 and 769,576,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,007,676.50 : 769,576,597.50 = 769,576,597.50 : x
2. Step 2: Convert to fraction form
   353,007,676.50/769,576,597.50 = 769,576,597.50/x
3. Step 3: Cross multiply
   353,007,676.50x = 769,576,597.50 × 769,576,597.50
4. Step 4: Simplify right side
   353,007,676.50x = 592,248,139,419,677,056
5. Step 5: Solve for x
   x = 592,248,139,419,677,056/353,007,676.50
6. Step 6: Final answer
   x = 1,677,720,284.42