Finding the Third Proportional to 80,485,456 and 174,581,692

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,456 : 174,581,692 = 174,581,692 : x
2. Step 2: Convert to fraction form
   80,485,456/174,581,692 = 174,581,692/x
3. Step 3: Cross multiply
   80,485,456x = 174,581,692 × 174,581,692
4. Step 4: Simplify right side
   80,485,456x = 30,478,767,181,582,864
5. Step 5: Solve for x
   x = 30,478,767,181,582,864/80,485,456
6. Step 6: Final answer
   x = 378,686,643.48