Finding the Third Proportional to 162,405 and 238,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,405 : 238,684.50 = 238,684.50 : x
2. Step 2: Convert to fraction form
   162,405/238,684.50 = 238,684.50/x
3. Step 3: Cross multiply
   162,405x = 238,684.50 × 238,684.50
4. Step 4: Simplify right side
   162,405x = 56,970,290,540.25
5. Step 5: Solve for x
   x = 56,970,290,540.25/162,405
6. Step 6: Final answer
   x = 350,791.48