Finding the Third Proportional to 186,216 and 404,814

Step by Step Solution

1. Step 1: Write the proportion equation
   186,216 : 404,814 = 404,814 : x
2. Step 2: Convert to fraction form
   186,216/404,814 = 404,814/x
3. Step 3: Cross multiply
   186,216x = 404,814 × 404,814
4. Step 4: Simplify right side
   186,216x = 163,874,374,596
5. Step 5: Solve for x
   x = 163,874,374,596/186,216
6. Step 6: Final answer
   x = 880,023.06