Finding the Third Proportional to 9,647,212 and 20,974,040

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647,212 : 20,974,040 = 20,974,040 : x
2. Step 2: Convert to fraction form
   9,647,212/20,974,040 = 20,974,040/x
3. Step 3: Cross multiply
   9,647,212x = 20,974,040 × 20,974,040
4. Step 4: Simplify right side
   9,647,212x = 439,910,353,921,600
5. Step 5: Solve for x
   x = 439,910,353,921,600/9,647,212
6. Step 6: Final answer
   x = 45,599,739.48