Finding the Third Proportional to 149,444,494 and 328,309,969

Step by Step Solution

1. Step 1: Write the proportion equation
   149,444,494 : 328,309,969 = 328,309,969 : x
2. Step 2: Convert to fraction form
   149,444,494/328,309,969 = 328,309,969/x
3. Step 3: Cross multiply
   149,444,494x = 328,309,969 × 328,309,969
4. Step 4: Simplify right side
   149,444,494x = 107,787,435,744,780,960
5. Step 5: Solve for x
   x = 107,787,435,744,780,960/149,444,494
6. Step 6: Final answer
   x = 721,253,977.71