Finding the Third Proportional to 139,343 and 301,042

Step by Step Solution

1. Step 1: Write the proportion equation
   139,343 : 301,042 = 301,042 : x
2. Step 2: Convert to fraction form
   139,343/301,042 = 301,042/x
3. Step 3: Cross multiply
   139,343x = 301,042 × 301,042
4. Step 4: Simplify right side
   139,343x = 90,626,285,764
5. Step 5: Solve for x
   x = 90,626,285,764/139,343
6. Step 6: Final answer
   x = 650,382.77