Finding the Third Proportional to 72,298 and 156,666

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298 : 156,666 = 156,666 : x
2. Step 2: Convert to fraction form
   72,298/156,666 = 156,666/x
3. Step 3: Cross multiply
   72,298x = 156,666 × 156,666
4. Step 4: Simplify right side
   72,298x = 24,544,235,556
5. Step 5: Solve for x
   x = 24,544,235,556/72,298
6. Step 6: Final answer
   x = 339,487.06