Finding the Third Proportional to 4,548,215 and 9,951,007

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,215 : 9,951,007 = 9,951,007 : x
2. Step 2: Convert to fraction form
   4,548,215/9,951,007 = 9,951,007/x
3. Step 3: Cross multiply
   4,548,215x = 9,951,007 × 9,951,007
4. Step 4: Simplify right side
   4,548,215x = 99,022,540,314,049
5. Step 5: Solve for x
   x = 99,022,540,314,049/4,548,215
6. Step 6: Final answer
   x = 21,771,736.89