Finding the Third Proportional to 139,968 and 302,031

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968 : 302,031 = 302,031 : x
2. Step 2: Convert to fraction form
   139,968/302,031 = 302,031/x
3. Step 3: Cross multiply
   139,968x = 302,031 × 302,031
4. Step 4: Simplify right side
   139,968x = 91,222,724,961
5. Step 5: Solve for x
   x = 91,222,724,961/139,968
6. Step 6: Final answer
   x = 651,739.86