Finding the Third Proportional to 4,822,979,418 and 10,447,388,766

Step by Step Solution

1. Step 1: Write the proportion equation
   4,822,979,418 : 10,447,388,766 = 10,447,388,766 : x
2. Step 2: Convert to fraction form
   4,822,979,418/10,447,388,766 = 10,447,388,766/x
3. Step 3: Cross multiply
   4,822,979,418x = 10,447,388,766 × 10,447,388,766
4. Step 4: Simplify right side
   4,822,979,418x = 109,147,932,027,943,010,304
5. Step 5: Solve for x
   x = 109,147,932,027,943,010,304/4,822,979,418
6. Step 6: Final answer
   x = 22,630,810,245.76