Finding the Third Proportional to 169,461 and 334,670

Step by Step Solution

1. Step 1: Write the proportion equation
   169,461 : 334,670 = 334,670 : x
2. Step 2: Convert to fraction form
   169,461/334,670 = 334,670/x
3. Step 3: Cross multiply
   169,461x = 334,670 × 334,670
4. Step 4: Simplify right side
   169,461x = 112,004,008,900
5. Step 5: Solve for x
   x = 112,004,008,900/169,461
6. Step 6: Final answer
   x = 660,942.69