Finding the Third Proportional to 9,423,500 and 20,515,666

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423,500 : 20,515,666 = 20,515,666 : x
2. Step 2: Convert to fraction form
   9,423,500/20,515,666 = 20,515,666/x
3. Step 3: Cross multiply
   9,423,500x = 20,515,666 × 20,515,666
4. Step 4: Simplify right side
   9,423,500x = 420,892,551,423,556
5. Step 5: Solve for x
   x = 420,892,551,423,556/9,423,500
6. Step 6: Final answer
   x = 44,664,142.99