Finding the Third Proportional to 162,760 and 380,260

Step by Step Solution

1. Step 1: Write the proportion equation
   162,760 : 380,260 = 380,260 : x
2. Step 2: Convert to fraction form
   162,760/380,260 = 380,260/x
3. Step 3: Cross multiply
   162,760x = 380,260 × 380,260
4. Step 4: Simplify right side
   162,760x = 144,597,667,600
5. Step 5: Solve for x
   x = 144,597,667,600/162,760
6. Step 6: Final answer
   x = 888,410.34