Finding the Third Proportional to 178,158 and 371,058

Step by Step Solution

1. Step 1: Write the proportion equation
   178,158 : 371,058 = 371,058 : x
2. Step 2: Convert to fraction form
   178,158/371,058 = 371,058/x
3. Step 3: Cross multiply
   178,158x = 371,058 × 371,058
4. Step 4: Simplify right side
   178,158x = 137,684,039,364
5. Step 5: Solve for x
   x = 137,684,039,364/178,158
6. Step 6: Final answer
   x = 772,819.85