Finding the Third Proportional to 80,485,451 and 174,581,682

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,451 : 174,581,682 = 174,581,682 : x
2. Step 2: Convert to fraction form
   80,485,451/174,581,682 = 174,581,682/x
3. Step 3: Cross multiply
   80,485,451x = 174,581,682 × 174,581,682
4. Step 4: Simplify right side
   80,485,451x = 30,478,763,689,949,124
5. Step 5: Solve for x
   x = 30,478,763,689,949,124/80,485,451
6. Step 6: Final answer
   x = 378,686,623.62