Finding the Third Proportional to 9,445,666 and 20,204,436

Step by Step Solution

1. Step 1: Write the proportion equation
   9,445,666 : 20,204,436 = 20,204,436 : x
2. Step 2: Convert to fraction form
   9,445,666/20,204,436 = 20,204,436/x
3. Step 3: Cross multiply
   9,445,666x = 20,204,436 × 20,204,436
4. Step 4: Simplify right side
   9,445,666x = 408,219,234,078,096
5. Step 5: Solve for x
   x = 408,219,234,078,096/9,445,666
6. Step 6: Final answer
   x = 43,217,623.20