Finding the Third Proportional to 309,050,971 and 671,777,401

Step by Step Solution

1. Step 1: Write the proportion equation
   309,050,971 : 671,777,401 = 671,777,401 : x
2. Step 2: Convert to fraction form
   309,050,971/671,777,401 = 671,777,401/x
3. Step 3: Cross multiply
   309,050,971x = 671,777,401 × 671,777,401
4. Step 4: Simplify right side
   309,050,971x = 451,284,876,494,314,816
5. Step 5: Solve for x
   x = 451,284,876,494,314,816/309,050,971
6. Step 6: Final answer
   x = 1,460,227,984.51