Finding the Third Proportional to 39,151.50 and 72,012

Step by Step Solution

1. Step 1: Write the proportion equation
   39,151.50 : 72,012 = 72,012 : x
2. Step 2: Convert to fraction form
   39,151.50/72,012 = 72,012/x
3. Step 3: Cross multiply
   39,151.50x = 72,012 × 72,012
4. Step 4: Simplify right side
   39,151.50x = 5,185,728,144
5. Step 5: Solve for x
   x = 5,185,728,144/39,151.50
6. Step 6: Final answer
   x = 132,452.86