Finding the Third Proportional to 80,359,968 and 174,419,307

Step by Step Solution

1. Step 1: Write the proportion equation
   80,359,968 : 174,419,307 = 174,419,307 : x
2. Step 2: Convert to fraction form
   80,359,968/174,419,307 = 174,419,307/x
3. Step 3: Cross multiply
   80,359,968x = 174,419,307 × 174,419,307
4. Step 4: Simplify right side
   80,359,968x = 30,422,094,654,360,248
5. Step 5: Solve for x
   x = 30,422,094,654,360,248/80,359,968
6. Step 6: Final answer
   x = 378,572,757.20