Finding the Third Proportional to 81,025.45 and 122,656.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,025.45 : 122,656.15 = 122,656.15 : x
2. Step 2: Convert to fraction form
   81,025.45/122,656.15 = 122,656.15/x
3. Step 3: Cross multiply
   81,025.45x = 122,656.15 × 122,656.15
4. Step 4: Simplify right side
   81,025.45x = 15,044,530,749.52
5. Step 5: Solve for x
   x = 15,044,530,749.52/81,025.45
6. Step 6: Final answer
   x = 185,676.60