Finding the Third Proportional to 72,200 and 167,132

Step by Step Solution

1. Step 1: Write the proportion equation
   72,200 : 167,132 = 167,132 : x
2. Step 2: Convert to fraction form
   72,200/167,132 = 167,132/x
3. Step 3: Cross multiply
   72,200x = 167,132 × 167,132
4. Step 4: Simplify right side
   72,200x = 27,933,105,424
5. Step 5: Solve for x
   x = 27,933,105,424/72,200
6. Step 6: Final answer
   x = 386,885.12