Finding the Third Proportional to 139,360 and 304,896

Step by Step Solution

1. Step 1: Write the proportion equation
   139,360 : 304,896 = 304,896 : x
2. Step 2: Convert to fraction form
   139,360/304,896 = 304,896/x
3. Step 3: Cross multiply
   139,360x = 304,896 × 304,896
4. Step 4: Simplify right side
   139,360x = 92,961,570,816
5. Step 5: Solve for x
   x = 92,961,570,816/139,360
6. Step 6: Final answer
   x = 667,060.64