Finding the Third Proportional to 71,080.50 and 150,909

Step by Step Solution

1. Step 1: Write the proportion equation
   71,080.50 : 150,909 = 150,909 : x
2. Step 2: Convert to fraction form
   71,080.50/150,909 = 150,909/x
3. Step 3: Cross multiply
   71,080.50x = 150,909 × 150,909
4. Step 4: Simplify right side
   71,080.50x = 22,773,526,281
5. Step 5: Solve for x
   x = 22,773,526,281/71,080.50
6. Step 6: Final answer
   x = 320,390.63