Finding the Third Proportional to 82,404 and 177,930

Step by Step Solution

1. Step 1: Write the proportion equation
   82,404 : 177,930 = 177,930 : x
2. Step 2: Convert to fraction form
   82,404/177,930 = 177,930/x
3. Step 3: Cross multiply
   82,404x = 177,930 × 177,930
4. Step 4: Simplify right side
   82,404x = 31,659,084,900
5. Step 5: Solve for x
   x = 31,659,084,900/82,404
6. Step 6: Final answer
   x = 384,193.55