Finding the Third Proportional to 4,548,231 and 9,951,012

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,231 : 9,951,012 = 9,951,012 : x
2. Step 2: Convert to fraction form
   4,548,231/9,951,012 = 9,951,012/x
3. Step 3: Cross multiply
   4,548,231x = 9,951,012 × 9,951,012
4. Step 4: Simplify right side
   4,548,231x = 99,022,639,824,144
5. Step 5: Solve for x
   x = 99,022,639,824,144/4,548,231
6. Step 6: Final answer
   x = 21,771,682.18