Finding the Third Proportional to 191,064 and 404,885

Step by Step Solution

1. Step 1: Write the proportion equation
   191,064 : 404,885 = 404,885 : x
2. Step 2: Convert to fraction form
   191,064/404,885 = 404,885/x
3. Step 3: Cross multiply
   191,064x = 404,885 × 404,885
4. Step 4: Simplify right side
   191,064x = 163,931,863,225
5. Step 5: Solve for x
   x = 163,931,863,225/191,064
6. Step 6: Final answer
   x = 857,994.51