Finding the Third Proportional to 171,078 and 375,690

Step by Step Solution

1. Step 1: Write the proportion equation
   171,078 : 375,690 = 375,690 : x
2. Step 2: Convert to fraction form
   171,078/375,690 = 375,690/x
3. Step 3: Cross multiply
   171,078x = 375,690 × 375,690
4. Step 4: Simplify right side
   171,078x = 141,142,976,100
5. Step 5: Solve for x
   x = 141,142,976,100/171,078
6. Step 6: Final answer
   x = 825,021.20