Finding the Third Proportional to 173,858 and 380,898

Step by Step Solution

1. Step 1: Write the proportion equation
   173,858 : 380,898 = 380,898 : x
2. Step 2: Convert to fraction form
   173,858/380,898 = 380,898/x
3. Step 3: Cross multiply
   173,858x = 380,898 × 380,898
4. Step 4: Simplify right side
   173,858x = 145,083,286,404
5. Step 5: Solve for x
   x = 145,083,286,404/173,858
6. Step 6: Final answer
   x = 834,493.01