Finding the Third Proportional to 405,024 and 875,016

Step by Step Solution

1. Step 1: Write the proportion equation
   405,024 : 875,016 = 875,016 : x
2. Step 2: Convert to fraction form
   405,024/875,016 = 875,016/x
3. Step 3: Cross multiply
   405,024x = 875,016 × 875,016
4. Step 4: Simplify right side
   405,024x = 765,653,000,256
5. Step 5: Solve for x
   x = 765,653,000,256/405,024
6. Step 6: Final answer
   x = 1,890,389.21