Finding the Third Proportional to 162,670 and 335,384

Step by Step Solution

1. Step 1: Write the proportion equation
   162,670 : 335,384 = 335,384 : x
2. Step 2: Convert to fraction form
   162,670/335,384 = 335,384/x
3. Step 3: Cross multiply
   162,670x = 335,384 × 335,384
4. Step 4: Simplify right side
   162,670x = 112,482,427,456
5. Step 5: Solve for x
   x = 112,482,427,456/162,670
6. Step 6: Final answer
   x = 691,476.16