Finding the Third Proportional to 81,181.50 and 126,012

Step by Step Solution

1. Step 1: Write the proportion equation
   81,181.50 : 126,012 = 126,012 : x
2. Step 2: Convert to fraction form
   81,181.50/126,012 = 126,012/x
3. Step 3: Cross multiply
   81,181.50x = 126,012 × 126,012
4. Step 4: Simplify right side
   81,181.50x = 15,879,024,144
5. Step 5: Solve for x
   x = 15,879,024,144/81,181.50
6. Step 6: Final answer
   x = 195,599.05