Finding the Third Proportional to 404,889 and 605,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,889 : 605,104.50 = 605,104.50 : x
2. Step 2: Convert to fraction form
   404,889/605,104.50 = 605,104.50/x
3. Step 3: Cross multiply
   404,889x = 605,104.50 × 605,104.50
4. Step 4: Simplify right side
   404,889x = 366,151,455,920.25
5. Step 5: Solve for x
   x = 366,151,455,920.25/404,889
6. Step 6: Final answer
   x = 904,325.52