Finding the Third Proportional to 80,485,444 and 174,581,668

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485,444 : 174,581,668 = 174,581,668 : x
2. Step 2: Convert to fraction form
   80,485,444/174,581,668 = 174,581,668/x
3. Step 3: Cross multiply
   80,485,444x = 174,581,668 × 174,581,668
4. Step 4: Simplify right side
   80,485,444x = 30,478,758,801,662,224
5. Step 5: Solve for x
   x = 30,478,758,801,662,224/80,485,444
6. Step 6: Final answer
   x = 378,686,595.82