Finding the Third Proportional to 186,214 and 404,810

Step by Step Solution

1. Step 1: Write the proportion equation
   186,214 : 404,810 = 404,810 : x
2. Step 2: Convert to fraction form
   186,214/404,810 = 404,810/x
3. Step 3: Cross multiply
   186,214x = 404,810 × 404,810
4. Step 4: Simplify right side
   186,214x = 163,871,136,100
5. Step 5: Solve for x
   x = 163,871,136,100/186,214
6. Step 6: Final answer
   x = 880,015.12