Finding the Third Proportional to 162,476 and 356,340

Step by Step Solution

1. Step 1: Write the proportion equation
   162,476 : 356,340 = 356,340 : x
2. Step 2: Convert to fraction form
   162,476/356,340 = 356,340/x
3. Step 3: Cross multiply
   162,476x = 356,340 × 356,340
4. Step 4: Simplify right side
   162,476x = 126,978,195,600
5. Step 5: Solve for x
   x = 126,978,195,600/162,476
6. Step 6: Final answer
   x = 781,519.71