Finding the Third Proportional to 80,485,445 and 174,581,670

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,445 : 174,581,670 = 174,581,670 : x
2. Step 2: Convert to fraction form
   80,485,445/174,581,670 = 174,581,670/x
3. Step 3: Cross multiply
   80,485,445x = 174,581,670 × 174,581,670
4. Step 4: Simplify right side
   80,485,445x = 30,478,759,499,988,900
5. Step 5: Solve for x
   x = 30,478,759,499,988,900/80,485,445
6. Step 6: Final answer
   x = 378,686,599.79