Finding the Third Proportional to 199,616 and 301,492

Step by Step Solution

1. Step 1: Write the proportion equation
   199,616 : 301,492 = 301,492 : x
2. Step 2: Convert to fraction form
   199,616/301,492 = 301,492/x
3. Step 3: Cross multiply
   199,616x = 301,492 × 301,492
4. Step 4: Simplify right side
   199,616x = 90,897,426,064
5. Step 5: Solve for x
   x = 90,897,426,064/199,616
6. Step 6: Final answer
   x = 455,361.42