Finding the Third Proportional to 80,359,986 and 174,419,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,359,986 : 174,419,335.50 = 174,419,335.50 : x
2. Step 2: Convert to fraction form
   80,359,986/174,419,335.50 = 174,419,335.50/x
3. Step 3: Cross multiply
   80,359,986x = 174,419,335.50 × 174,419,335.50
4. Step 4: Simplify right side
   80,359,986x = 30,422,104,596,261,560
5. Step 5: Solve for x
   x = 30,422,104,596,261,560/80,359,986
6. Step 6: Final answer
   x = 378,572,796.12