Finding the Third Proportional to 21,221,865 and 45,469,069.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,221,865 : 45,469,069.88 = 45,469,069.88 : x
2. Step 2: Convert to fraction form
   21,221,865/45,469,069.88 = 45,469,069.88/x
3. Step 3: Cross multiply
   21,221,865x = 45,469,069.88 × 45,469,069.88
4. Step 4: Simplify right side
   21,221,865x = 2,067,436,315,297,632.50
5. Step 5: Solve for x
   x = 2,067,436,315,297,632.50/21,221,865
6. Step 6: Final answer
   x = 97,420,104.94