Finding the Third Proportional to 162,666 and 335,376

Step by Step Solution

1. Step 1: Write the proportion equation
   162,666 : 335,376 = 335,376 : x
2. Step 2: Convert to fraction form
   162,666/335,376 = 335,376/x
3. Step 3: Cross multiply
   162,666x = 335,376 × 335,376
4. Step 4: Simplify right side
   162,666x = 112,477,061,376
5. Step 5: Solve for x
   x = 112,477,061,376/162,666
6. Step 6: Final answer
   x = 691,460.18