Finding the Third Proportional to 81,392.50 and 126,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,392.50 : 126,012.50 = 126,012.50 : x
2. Step 2: Convert to fraction form
   81,392.50/126,012.50 = 126,012.50/x
3. Step 3: Cross multiply
   81,392.50x = 126,012.50 × 126,012.50
4. Step 4: Simplify right side
   81,392.50x = 15,879,150,156.25
5. Step 5: Solve for x
   x = 15,879,150,156.25/81,392.50
6. Step 6: Final answer
   x = 195,093.53