Finding the Third Proportional to 139,802 and 304,180

Step by Step Solution

1. Step 1: Write the proportion equation
   139,802 : 304,180 = 304,180 : x
2. Step 2: Convert to fraction form
   139,802/304,180 = 304,180/x
3. Step 3: Cross multiply
   139,802x = 304,180 × 304,180
4. Step 4: Simplify right side
   139,802x = 92,525,472,400
5. Step 5: Solve for x
   x = 92,525,472,400/139,802
6. Step 6: Final answer
   x = 661,832.25