Finding the Third Proportional to 139,164 and 304,584

Step by Step Solution

1. Step 1: Write the proportion equation
   139,164 : 304,584 = 304,584 : x
2. Step 2: Convert to fraction form
   139,164/304,584 = 304,584/x
3. Step 3: Cross multiply
   139,164x = 304,584 × 304,584
4. Step 4: Simplify right side
   139,164x = 92,771,413,056
5. Step 5: Solve for x
   x = 92,771,413,056/139,164
6. Step 6: Final answer
   x = 666,633.71