Finding the Third Proportional to 162,066 and 245,336

Step by Step Solution

1. Step 1: Write the proportion equation
   162,066 : 245,336 = 245,336 : x
2. Step 2: Convert to fraction form
   162,066/245,336 = 245,336/x
3. Step 3: Cross multiply
   162,066x = 245,336 × 245,336
4. Step 4: Simplify right side
   162,066x = 60,189,752,896
5. Step 5: Solve for x
   x = 60,189,752,896/162,066
6. Step 6: Final answer
   x = 371,390.38