Finding the Third Proportional to 9,423,558 and 20,698,398

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423,558 : 20,698,398 = 20,698,398 : x
2. Step 2: Convert to fraction form
   9,423,558/20,698,398 = 20,698,398/x
3. Step 3: Cross multiply
   9,423,558x = 20,698,398 × 20,698,398
4. Step 4: Simplify right side
   9,423,558x = 428,423,679,766,404
5. Step 5: Solve for x
   x = 428,423,679,766,404/9,423,558
6. Step 6: Final answer
   x = 45,463,049.07