Finding the Third Proportional to 279,032 and 404,938

Step by Step Solution

1. Step 1: Write the proportion equation
   279,032 : 404,938 = 404,938 : x
2. Step 2: Convert to fraction form
   279,032/404,938 = 404,938/x
3. Step 3: Cross multiply
   279,032x = 404,938 × 404,938
4. Step 4: Simplify right side
   279,032x = 163,974,783,844
5. Step 5: Solve for x
   x = 163,974,783,844/279,032
6. Step 6: Final answer
   x = 587,655.84