Finding the Third Proportional to 80,485,452 and 174,581,684

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,452 : 174,581,684 = 174,581,684 : x
2. Step 2: Convert to fraction form
   80,485,452/174,581,684 = 174,581,684/x
3. Step 3: Cross multiply
   80,485,452x = 174,581,684 × 174,581,684
4. Step 4: Simplify right side
   80,485,452x = 30,478,764,388,275,856
5. Step 5: Solve for x
   x = 30,478,764,388,275,856/80,485,452
6. Step 6: Final answer
   x = 378,686,627.59