Finding the Third Proportional to 71,871 and 151,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,871 : 151,189.50 = 151,189.50 : x
2. Step 2: Convert to fraction form
   71,871/151,189.50 = 151,189.50/x
3. Step 3: Cross multiply
   71,871x = 151,189.50 × 151,189.50
4. Step 4: Simplify right side
   71,871x = 22,858,264,910.25
5. Step 5: Solve for x
   x = 22,858,264,910.25/71,871
6. Step 6: Final answer
   x = 318,045.73