Finding the Third Proportional to 162,998 and 340,900

Step by Step Solution

1. Step 1: Write the proportion equation
   162,998 : 340,900 = 340,900 : x
2. Step 2: Convert to fraction form
   162,998/340,900 = 340,900/x
3. Step 3: Cross multiply
   162,998x = 340,900 × 340,900
4. Step 4: Simplify right side
   162,998x = 116,212,810,000
5. Step 5: Solve for x
   x = 116,212,810,000/162,998
6. Step 6: Final answer
   x = 712,970.77