Finding the Third Proportional to 162,469.50 and 379,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,469.50 : 379,606.50 = 379,606.50 : x
2. Step 2: Convert to fraction form
   162,469.50/379,606.50 = 379,606.50/x
3. Step 3: Cross multiply
   162,469.50x = 379,606.50 × 379,606.50
4. Step 4: Simplify right side
   162,469.50x = 144,101,094,842.25
5. Step 5: Solve for x
   x = 144,101,094,842.25/162,469.50
6. Step 6: Final answer
   x = 886,942.44