Finding the Third Proportional to 80,485,448 and 174,581,676

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,448 : 174,581,676 = 174,581,676 : x
2. Step 2: Convert to fraction form
   80,485,448/174,581,676 = 174,581,676/x
3. Step 3: Cross multiply
   80,485,448x = 174,581,676 × 174,581,676
4. Step 4: Simplify right side
   80,485,448x = 30,478,761,594,968,976
5. Step 5: Solve for x
   x = 30,478,761,594,968,976/80,485,448
6. Step 6: Final answer
   x = 378,686,611.71