Finding the Third Proportional to 195,899 and 424,404

Step by Step Solution

1. Step 1: Write the proportion equation
   195,899 : 424,404 = 424,404 : x
2. Step 2: Convert to fraction form
   195,899/424,404 = 424,404/x
3. Step 3: Cross multiply
   195,899x = 424,404 × 424,404
4. Step 4: Simplify right side
   195,899x = 180,118,755,216
5. Step 5: Solve for x
   x = 180,118,755,216/195,899
6. Step 6: Final answer
   x = 919,447.04