Finding the Third Proportional to 4,449,028 and 9,713,564

Step by Step Solution

1. Step 1: Write the proportion equation
   4,449,028 : 9,713,564 = 9,713,564 : x
2. Step 2: Convert to fraction form
   4,449,028/9,713,564 = 9,713,564/x
3. Step 3: Cross multiply
   4,449,028x = 9,713,564 × 9,713,564
4. Step 4: Simplify right side
   4,449,028x = 94,353,325,582,096
5. Step 5: Solve for x
   x = 94,353,325,582,096/4,449,028
6. Step 6: Final answer
   x = 21,207,626.83