Finding the Third Proportional to 410,448,677 and 636,082,442

Step by Step Solution

1. Step 1: Write the proportion equation
   410,448,677 : 636,082,442 = 636,082,442 : x
2. Step 2: Convert to fraction form
   410,448,677/636,082,442 = 636,082,442/x
3. Step 3: Cross multiply
   410,448,677x = 636,082,442 × 636,082,442
4. Step 4: Simplify right side
   410,448,677x = 404,600,873,020,683,392
5. Step 5: Solve for x
   x = 404,600,873,020,683,392/410,448,677
6. Step 6: Final answer
   x = 985,752,654.82