Finding the Third Proportional to 405,776 and 874,016

Step by Step Solution

1. Step 1: Write the proportion equation
   405,776 : 874,016 = 874,016 : x
2. Step 2: Convert to fraction form
   405,776/874,016 = 874,016/x
3. Step 3: Cross multiply
   405,776x = 874,016 × 874,016
4. Step 4: Simplify right side
   405,776x = 763,903,968,256
5. Step 5: Solve for x
   x = 763,903,968,256/405,776
6. Step 6: Final answer
   x = 1,882,575.53