Finding the Third Proportional to 161,179 and 379,132

Step by Step Solution

1. Step 1: Write the proportion equation
   161,179 : 379,132 = 379,132 : x
2. Step 2: Convert to fraction form
   161,179/379,132 = 379,132/x
3. Step 3: Cross multiply
   161,179x = 379,132 × 379,132
4. Step 4: Simplify right side
   161,179x = 143,741,073,424
5. Step 5: Solve for x
   x = 143,741,073,424/161,179
6. Step 6: Final answer
   x = 891,810.18