Finding the Third Proportional to 173,790 and 380,799

Step by Step Solution

1. Step 1: Write the proportion equation
   173,790 : 380,799 = 380,799 : x
2. Step 2: Convert to fraction form
   173,790/380,799 = 380,799/x
3. Step 3: Cross multiply
   173,790x = 380,799 × 380,799
4. Step 4: Simplify right side
   173,790x = 145,007,878,401
5. Step 5: Solve for x
   x = 145,007,878,401/173,790
6. Step 6: Final answer
   x = 834,385.63