Finding the Third Proportional to 4,548,236 and 9,951,020

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,236 : 9,951,020 = 9,951,020 : x
2. Step 2: Convert to fraction form
   4,548,236/9,951,020 = 9,951,020/x
3. Step 3: Cross multiply
   4,548,236x = 9,951,020 × 9,951,020
4. Step 4: Simplify right side
   4,548,236x = 99,022,799,040,400
5. Step 5: Solve for x
   x = 99,022,799,040,400/4,548,236
6. Step 6: Final answer
   x = 21,771,693.25