Finding the Third Proportional to 451,842 and 978,071

Step by Step Solution

1. Step 1: Write the proportion equation
   451,842 : 978,071 = 978,071 : x
2. Step 2: Convert to fraction form
   451,842/978,071 = 978,071/x
3. Step 3: Cross multiply
   451,842x = 978,071 × 978,071
4. Step 4: Simplify right side
   451,842x = 956,622,881,041
5. Step 5: Solve for x
   x = 956,622,881,041/451,842
6. Step 6: Final answer
   x = 2,117,162.37