Finding the Third Proportional to 404,715,882,772 and 899,920,460,638

Step by Step Solution

1. Step 1: Write the proportion equation
   404,715,882,772 : 899,920,460,638 = 899,920,460,638 : x
2. Step 2: Convert to fraction form
   404,715,882,772/899,920,460,638 = 899,920,460,638/x
3. Step 3: Cross multiply
   404,715,882,772x = 899,920,460,638 × 899,920,460,638
4. Step 4: Simplify right side
   404,715,882,772x = 809,856,835,474,910,078,828,544
5. Step 5: Solve for x
   x = 809,856,835,474,910,078,828,544/404,715,882,772
6. Step 6: Final answer
   x = 2,001,050,292,190.16