Finding the Third Proportional to 139,016 and 293,336

Step by Step Solution

1. Step 1: Write the proportion equation
   139,016 : 293,336 = 293,336 : x
2. Step 2: Convert to fraction form
   139,016/293,336 = 293,336/x
3. Step 3: Cross multiply
   139,016x = 293,336 × 293,336
4. Step 4: Simplify right side
   139,016x = 86,046,008,896
5. Step 5: Solve for x
   x = 86,046,008,896/139,016
6. Step 6: Final answer
   x = 618,964.79