Finding the Third Proportional to 162,722 and 251,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,722 : 251,934.50 = 251,934.50 : x
2. Step 2: Convert to fraction form
   162,722/251,934.50 = 251,934.50/x
3. Step 3: Cross multiply
   162,722x = 251,934.50 × 251,934.50
4. Step 4: Simplify right side
   162,722x = 63,470,992,290.25
5. Step 5: Solve for x
   x = 63,470,992,290.25/162,722
6. Step 6: Final answer
   x = 390,057.84