Finding the Third Proportional to 179,142 and 391,032

Step by Step Solution

1. Step 1: Write the proportion equation
   179,142 : 391,032 = 391,032 : x
2. Step 2: Convert to fraction form
   179,142/391,032 = 391,032/x
3. Step 3: Cross multiply
   179,142x = 391,032 × 391,032
4. Step 4: Simplify right side
   179,142x = 152,906,025,024
5. Step 5: Solve for x
   x = 152,906,025,024/179,142
6. Step 6: Final answer
   x = 853,546.49