Finding the Third Proportional to 80,360,014 and 174,419,390

Step by Step Solution

1. Step 1: Write the proportion equation
   80,360,014 : 174,419,390 = 174,419,390 : x
2. Step 2: Convert to fraction form
   80,360,014/174,419,390 = 174,419,390/x
3. Step 3: Cross multiply
   80,360,014x = 174,419,390 × 174,419,390
4. Step 4: Simplify right side
   80,360,014x = 30,422,123,607,972,100
5. Step 5: Solve for x
   x = 30,422,123,607,972,100/80,360,014
6. Step 6: Final answer
   x = 378,572,900.80