Finding the Third Proportional to 410,448,672.56 and 636,082,435.69

Step by Step Solution

1. Step 1: Write the proportion equation
   410,448,672.56 : 636,082,435.69 = 636,082,435.69 : x
2. Step 2: Convert to fraction form
   410,448,672.56/636,082,435.69 = 636,082,435.69/x
3. Step 3: Cross multiply
   410,448,672.56x = 636,082,435.69 × 636,082,435.69
4. Step 4: Simplify right side
   410,448,672.56x = 404,600,864,990,142,592
5. Step 5: Solve for x
   x = 404,600,864,990,142,592/410,448,672.56
6. Step 6: Final answer
   x = 985,752,645.91