Finding the Third Proportional to 173,838 and 380,887

Step by Step Solution

1. Step 1: Write the proportion equation
   173,838 : 380,887 = 380,887 : x
2. Step 2: Convert to fraction form
   173,838/380,887 = 380,887/x
3. Step 3: Cross multiply
   173,838x = 380,887 × 380,887
4. Step 4: Simplify right side
   173,838x = 145,074,906,769
5. Step 5: Solve for x
   x = 145,074,906,769/173,838
6. Step 6: Final answer
   x = 834,540.82