Finding the Third Proportional to 143,062 and 310,016

Step by Step Solution

1. Step 1: Write the proportion equation
   143,062 : 310,016 = 310,016 : x
2. Step 2: Convert to fraction form
   143,062/310,016 = 310,016/x
3. Step 3: Cross multiply
   143,062x = 310,016 × 310,016
4. Step 4: Simplify right side
   143,062x = 96,109,920,256
5. Step 5: Solve for x
   x = 96,109,920,256/143,062
6. Step 6: Final answer
   x = 671,806.07