Finding the Third Proportional to 451,852 and 978,088

Step by Step Solution

1. Step 1: Write the proportion equation
   451,852 : 978,088 = 978,088 : x
2. Step 2: Convert to fraction form
   451,852/978,088 = 978,088/x
3. Step 3: Cross multiply
   451,852x = 978,088 × 978,088
4. Step 4: Simplify right side
   451,852x = 956,656,135,744
5. Step 5: Solve for x
   x = 956,656,135,744/451,852
6. Step 6: Final answer
   x = 2,117,189.11