Finding the Third Proportional to 274,055,462 and 646,743,074

Step by Step Solution

1. Step 1: Write the proportion equation
   274,055,462 : 646,743,074 = 646,743,074 : x
2. Step 2: Convert to fraction form
   274,055,462/646,743,074 = 646,743,074/x
3. Step 3: Cross multiply
   274,055,462x = 646,743,074 × 646,743,074
4. Step 4: Simplify right side
   274,055,462x = 418,276,603,766,969,472
5. Step 5: Solve for x
   x = 418,276,603,766,969,472/274,055,462
6. Step 6: Final answer
   x = 1,526,248,010.95